Kathrin Kuhr
Research Subjects
Research Interests
Kathrin Kuhr has a total of 127 co-authors. Here are the top co-authors by number of shared publications:
- Alexander Kreuter
Klinik für Dermatologie Venerologie und Allergologie Helios St. Elisabeth Klinik Oberhausen Universität Witten/Herdecke Oberhausen Deutschland
3 shared publications - Margitta Worm
Division of Allergy and Immunology, Department of Dermatology, Venereology and Allergy Charité—University Medical Center Berlin, Corporate Member of Freie Universität Berlin and Humboldt‐Universität Zu Berlin Berlin Germany
3 shared publications - Pia Moinzadeh
Department of Dermatology, University Hospital Cologne, Cologne, Germany
3 shared publications - Aaron Juche
Department of Rheumatology, Immanuel Hospital Berlin-Buch , Berlin, Germany
2 shared publications - Birte Holtfreter
Department of Restorative Dentistry, Periodontology and Endodontology University Medicine Greifswald Greifswald Germany
2 shared publications - Christiane Pfeiffer
Department of Dermatology and Allergology, University Medical Center Ulm, Ulm, Germany
2 shared publications
Latest Publications
- Open Access
- 18 September 2026
- Published by Wiley in Journal of Clinical Periodontology
- Vol. 53 (12) , 1785-1797
Regional Disparities in the Prevalence of Probing Depths and Tooth Loss in Germany—Results From the German National Cohort ( NAKO )
Aim: To evaluate regional disparities in the prevalence, severity and extent of probing depths (PDs) as well as tooth loss in German adults aged 19–74, using data from the baseline study of the German National Cohort (NAKO; 2014–2019). Methods: Dental examinations were recorded at two levels: Level 1 (18/18 centres; N = 184,871; tooth counts including third molars and dental interview) and Level 2 (8/18 centres, not geographically representative; N = 18,389; recording of PDs). We evaluated differences by sex, age and study region. All data were survey‐weighted. For individuals aged 65–74, we supplemented tooth loss data from the Fifth German Oral Health Study and the Study of Health in Pomerania. Results: Among Level 1 participants, the prevalence of edentulism was 1.7% (95% confidence interval: 1.6–1.9). The average mean PD was 1.89 mm (1.87–1.91). Both edentulism and PDs increased with increasing age. There were clear regional disparities, with the lowest prevalence of both in Augsburg/Regensburg in the south (1.3% and 1.64 mm) and the highest in Neubrandenburg in the north‐east (2.3% and 2.31 mm). Conclusion: Clear regional disparities emerged. In light of demographic changes, these results highlight the importance of incorporating region‐specific oral health burdens into future healthcare planning and treatment concepts.
- 18 September 2026
- Published by Wiley in Journal of Clinical Periodontology
- Vol. 53 (12) , 1785-1797
Open AccessRegional Disparities in the Prevalence of Probing Depths and Tooth Loss in Germany—Results From the German National Cohort ( NAKO )
Aim: To evaluate regional disparities in the prevalence, severity and extent of probing depths (PDs) as well as tooth loss in German adults aged 19–74, using data from the baseline study of the German National Cohort (NAKO; 2014–2019). Methods: Dental examinations were recorded at two levels: Level 1 (18/18 centres; N = 184,871; tooth counts including third molars and dental interview) and Level 2 (8/18 centres, not geographically representative; N = 18,389; recording of PDs). We evaluated differences by sex, age and study region. All data were survey‐weighted. For individuals aged 65–74, we supplemented tooth loss data from the Fifth German Oral Health Study and the Study of Health in Pomerania. Results: Among Level 1 participants, the prevalence of edentulism was 1.7% (95% confidence interval: 1.6–1.9). The average mean PD was 1.89 mm (1.87–1.91). Both edentulism and PDs increased with increasing age. There were clear regional disparities, with the lowest prevalence of both in Augsburg/Regensburg in the south (1.3% and 1.64 mm) and the highest in Neubrandenburg in the north‐east (2.3% and 2.31 mm). Conclusion: Clear regional disparities emerged. In light of demographic changes, these results highlight the importance of incorporating region‐specific oral health burdens into future healthcare planning and treatment concepts.
- Top Cited PapersOpen Access
- 22 February 2024
- Published by Wiley in Journal of Clinical Periodontology
- Vol. 51 (5) , 512-521
ACES: A new framework for the application of the 2018 periodontal status classification scheme to epidemiological survey data
Aim: To propose a framework for consistently applying the 2018 periodontal status classification scheme to epidemiological surveys (Application of the 2018 periodontal status Classification to Epidemiological Survey data, ACES).Proposed Framework: We specified data requirements and workflows for either completed or planned epidemiological surveys, utilizing commonly collected measures of periodontal status (clinical attachment levels [CAL], probing depths, bleeding on probing), as well as additional necessary variables for the implementation of the 2018 periodontal status classification (tooth loss due to periodontitis and complexity factors). Following detailed instructions and flowcharts, survey participants are classified as having periodontal health, gingivitis or periodontitis. Rates of edentulism must also be reported. In cases of periodontitis, instructions on how to compute the stage and extent are provided. Assessment of grade can be derived from CAL measurements (or from radiographic alveolar bone loss data) in relation to root length and the participant's age.Conclusions: ACES is a framework to be used in epidemiological studies of periodontal status that (i) have been completed, and in which stage and grade according to the 2018 classification are inferred retroactively, or (ii) are being planned. Consistent use of the proposed comprehensive approach will facilitate the comparability of periodontitis prevalence estimates across studies.
- 22 February 2024
- Published by Wiley in Journal of Clinical Periodontology
- Vol. 51 (5) , 512-521
Top Cited PapersOpen AccessACES: A new framework for the application of the 2018 periodontal status classification scheme to epidemiological survey data
Aim: To propose a framework for consistently applying the 2018 periodontal status classification scheme to epidemiological surveys (Application of the 2018 periodontal status Classification to Epidemiological Survey data, ACES).Proposed Framework: We specified data requirements and workflows for either completed or planned epidemiological surveys, utilizing commonly collected measures of periodontal status (clinical attachment levels [CAL], probing depths, bleeding on probing), as well as additional necessary variables for the implementation of the 2018 periodontal status classification (tooth loss due to periodontitis and complexity factors). Following detailed instructions and flowcharts, survey participants are classified as having periodontal health, gingivitis or periodontitis. Rates of edentulism must also be reported. In cases of periodontitis, instructions on how to compute the stage and extent are provided. Assessment of grade can be derived from CAL measurements (or from radiographic alveolar bone loss data) in relation to root length and the participant's age.Conclusions: ACES is a framework to be used in epidemiological studies of periodontal status that (i) have been completed, and in which stage and grade according to the 2018 classification are inferred retroactively, or (ii) are being planned. Consistent use of the proposed comprehensive approach will facilitate the comparability of periodontitis prevalence estimates across studies.
- Open Access
- 27 January 2023
- Published by Oxford University Press (OUP) in Rheumatology
- Vol. 62 (9) , 3067-3074
Anti-acid therapy in SSc-associated interstitial lung disease: long-term outcomes from the German Network for Systemic Sclerosis
Gastroesophageal reflux disease (GERD) occurs frequently in patients with SSc. We investigated whether the presence of GERD and/or the use of anti-acid therapy, specifically proton-pump inhibitors (PPIs), are associated with long-term outcomes, especially in SSc-associated interstitial lung disease (SSc-ILD). We retrospectively analysed patients with SSc and SSc-ILD from the German Network for Systemic Sclerosis (DNSS) database (2003 onwards). Kaplan–Meier analysis compared overall survival (OS) and progression-free survival (PFS) in patients with GERD vs without GERD (SSc and SSc-ILD), and PPI vs no PPI use (SSc-ILD only). Progression was defined as a decrease in either percentage predicted forced vital capacity of ≥10% or single-breath diffusing capacity for carbon monoxide of ≥15%, or death. It was found that 2693/4306 (63%) registered patients with SSc and 1204/1931 (62%) with SSc-ILD had GERD. GERD was not associated with decreased OS or decreased PFS in patients in either cohort. In SSc-ILD, PPI use was associated with improved OS vs no PPI use after 1 year [98.4% (95% CI: 97.6, 99.3); n = 760 vs 90.8% (87.9–93.8); n = 290] and after 5 years [91.4% (89.2–93.8); n = 357 vs 70.9% (65.2–77.1); n = 106; P < 0.0001]. PPI use was also associated with improved PFS vs no PPI use after 1 year [95.9% (94.6–97.3); n = 745 vs 86.4% (82.9–90.1); n = 278] and after 5 years [66.8% (63.0–70.8); n = 286 vs 45.9% (39.6–53.2); n = 69; P < 0.0001]. GERD had no effect on survival in SSc or SSc-ILD. PPIs improved survival in patients with SSc-ILD. Controlled, prospective trials are needed to confirm this finding.
- 27 January 2023
- Published by Oxford University Press (OUP) in Rheumatology
- Vol. 62 (9) , 3067-3074
Open AccessAnti-acid therapy in SSc-associated interstitial lung disease: long-term outcomes from the German Network for Systemic Sclerosis
Gastroesophageal reflux disease (GERD) occurs frequently in patients with SSc. We investigated whether the presence of GERD and/or the use of anti-acid therapy, specifically proton-pump inhibitors (PPIs), are associated with long-term outcomes, especially in SSc-associated interstitial lung disease (SSc-ILD). We retrospectively analysed patients with SSc and SSc-ILD from the German Network for Systemic Sclerosis (DNSS) database (2003 onwards). Kaplan–Meier analysis compared overall survival (OS) and progression-free survival (PFS) in patients with GERD vs without GERD (SSc and SSc-ILD), and PPI vs no PPI use (SSc-ILD only). Progression was defined as a decrease in either percentage predicted forced vital capacity of ≥10% or single-breath diffusing capacity for carbon monoxide of ≥15%, or death. It was found that 2693/4306 (63%) registered patients with SSc and 1204/1931 (62%) with SSc-ILD had GERD. GERD was not associated with decreased OS or decreased PFS in patients in either cohort. In SSc-ILD, PPI use was associated with improved OS vs no PPI use after 1 year [98.4% (95% CI: 97.6, 99.3); n = 760 vs 90.8% (87.9–93.8); n = 290] and after 5 years [91.4% (89.2–93.8); n = 357 vs 70.9% (65.2–77.1); n = 106; P < 0.0001]. PPI use was also associated with improved PFS vs no PPI use after 1 year [95.9% (94.6–97.3); n = 745 vs 86.4% (82.9–90.1); n = 278] and after 5 years [66.8% (63.0–70.8); n = 286 vs 45.9% (39.6–53.2); n = 69; P < 0.0001]. GERD had no effect on survival in SSc or SSc-ILD. PPIs improved survival in patients with SSc-ILD. Controlled, prospective trials are needed to confirm this finding.
- 1 April 2019
- Published by The Journal of Rheumatology in The Journal of Rheumatology
- Vol. 47 (2) , 241-248
Scleroderma Renal Crisis: Risk Factors for an Increasingly Rare Organ Complication
Objective.: Scleroderma renal crisis (SRC) is a severe life-threatening manifestation in patients with systemic sclerosis (SSc). However, the knowledge about risk factors for SRC is limited. We determined here the frequency of SRC and identified risk factors for the prediction of SRC.Methods.: Based on regular followup data from the German Network for Systemic Scleroderma, we used univariate and multivariate generalized estimating equations to analyze the association between clinical variables, SSc subsets, therapy [i.e., angiotensin-converting enzyme inhibitors (ACEi), corticosteroids], and the occurrence of SRC.Results.: Data of 2873 patients with 10,425 visits were available for analysis with a mean number of registry visits of 3.6 ± 2.8 and a mean time of followup of 3.6 ± 3.8 years. In total, 70 patients developed SRC (70/2873, 2.4%). Of these patients, 57.1% (40/70) were diagnosed with diffuse cutaneous SSc, 31.4% (22/70) with limited cutaneous SSc, and 11.4% (8/70) with SSc-overlap syndromes. Predictive independent factors with the highest probability for SRC were positive anti-RNA polymerase antibodies (RNAP), a history of proteinuria prior to SRC onset, diminished DLCO, and a history of hypertension. Interestingly, positive antitopoisomerase autoantibodies did not predict a higher risk for SRC. Further, patients with SRC were significantly more frequently treated with ACEi and corticosteroids without being independently associated with SRC.Conclusion.: In this cohort, SRC has become a rare complication. By far the highest risk for SRC was associated with the detection of anti-RNAP and proteinuria.
- 1 April 2019
- Published by The Journal of Rheumatology in The Journal of Rheumatology
- Vol. 47 (2) , 241-248
Scleroderma Renal Crisis: Risk Factors for an Increasingly Rare Organ Complication
Objective.: Scleroderma renal crisis (SRC) is a severe life-threatening manifestation in patients with systemic sclerosis (SSc). However, the knowledge about risk factors for SRC is limited. We determined here the frequency of SRC and identified risk factors for the prediction of SRC.Methods.: Based on regular followup data from the German Network for Systemic Scleroderma, we used univariate and multivariate generalized estimating equations to analyze the association between clinical variables, SSc subsets, therapy [i.e., angiotensin-converting enzyme inhibitors (ACEi), corticosteroids], and the occurrence of SRC.Results.: Data of 2873 patients with 10,425 visits were available for analysis with a mean number of registry visits of 3.6 ± 2.8 and a mean time of followup of 3.6 ± 3.8 years. In total, 70 patients developed SRC (70/2873, 2.4%). Of these patients, 57.1% (40/70) were diagnosed with diffuse cutaneous SSc, 31.4% (22/70) with limited cutaneous SSc, and 11.4% (8/70) with SSc-overlap syndromes. Predictive independent factors with the highest probability for SRC were positive anti-RNA polymerase antibodies (RNAP), a history of proteinuria prior to SRC onset, diminished DLCO, and a history of hypertension. Interestingly, positive antitopoisomerase autoantibodies did not predict a higher risk for SRC. Further, patients with SRC were significantly more frequently treated with ACEi and corticosteroids without being independently associated with SRC.Conclusion.: In this cohort, SRC has become a rare complication. By far the highest risk for SRC was associated with the detection of anti-RNAP and proteinuria.
- 7 August 2017
- Published by Springer Nature in Clinical Research in Cardiology
- Vol. 106 (12) , 1005-1017
Functional status and quality of life after transcatheter mitral valve repair: a prospective cohort study and systematic review
Estimating the quantitative effect of transcatheter mitral valve repair on functional parameters and quality of life is important for individual treatment decision-making.
- 7 August 2017
- Published by Springer Nature in Clinical Research in Cardiology
- Vol. 106 (12) , 1005-1017
Functional status and quality of life after transcatheter mitral valve repair: a prospective cohort study and systematic review
Estimating the quantitative effect of transcatheter mitral valve repair on functional parameters and quality of life is important for individual treatment decision-making.
- Open Access
- 16 April 2017
- Published by Wiley in Cochrane Database of Systematic Reviews
- Vol. 2017 (4)
Intravenous iron versus oral iron versus no iron with or without erythropoiesis- stimulating agents (ESA) for cancer patients with anaemia: A systematic review and network meta-analysis
This is a protocol for a Cochrane Review (Intervention). The objectives are as follows: The objectives are to systematically review the effect of intravenous iron or no iron in combination with erythropoiesis-stimulating agents (ESAs) on the prevention or alleviation of anaemic cancer patients and to generate a clinically meaningful treatment ranking according to their safety and efficacy.
- 16 April 2017
- Published by Wiley in Cochrane Database of Systematic Reviews
- Vol. 2017 (4)
Open AccessIntravenous iron versus oral iron versus no iron with or without erythropoiesis- stimulating agents (ESA) for cancer patients with anaemia: A systematic review and network meta-analysis
This is a protocol for a Cochrane Review (Intervention). The objectives are as follows: The objectives are to systematically review the effect of intravenous iron or no iron in combination with erythropoiesis-stimulating agents (ESAs) on the prevention or alleviation of anaemic cancer patients and to generate a clinically meaningful treatment ranking according to their safety and efficacy.
- 1 April 2016
- Published by Elsevier in Journal of Clinical Densitometry
- Vol. 19 (2) , 208-215
Comparison of DXA Scans and Conventional X-rays for Spine Morphometry and Bone Age Determination in Children
- 1 April 2016
- Published by Elsevier in Journal of Clinical Densitometry
- Vol. 19 (2) , 208-215
Comparison of DXA Scans and Conventional X-rays for Spine Morphometry and Bone Age Determination in Children
- Open Access
- 26 December 2015
- Published by Oxford University Press (OUP) in British Journal of Dermatology
- Vol. 174 (6) , 1384-1387
The Predict Study: low risk for digital ulcer development in patients with systemic sclerosis with increasing disease duration and lack of topoisomerase‐1 antibodies
- 26 December 2015
- Published by Oxford University Press (OUP) in British Journal of Dermatology
- Vol. 174 (6) , 1384-1387
Open AccessThe Predict Study: low risk for digital ulcer development in patients with systemic sclerosis with increasing disease duration and lack of topoisomerase‐1 antibodies
- 1 November 2014
- Published by Elsevier in Value in Health
- Vol. 17 (7) , A617
First-Line Therapy for Patients With Multiple Myeloma: Direct and Indirect Comparison of Treatment Regimens on the Existing Market
- 1 November 2014
- Published by Elsevier in Value in Health
- Vol. 17 (7) , A617
First-Line Therapy for Patients With Multiple Myeloma: Direct and Indirect Comparison of Treatment Regimens on the Existing Market
- Open Access
- 26 August 2014
- Published by JMIR Publications Inc. in Journal of Medical Internet Research
- Vol. 16 (8) , e195
Changes Over Time in the Utilization of Disease-Related Internet Information in Newly Diagnosed Breast Cancer Patients 2007 to 2013
Background: As the number of people with Internet access rises, so does the use of the Internet as a potentially valuable source for health information. Insight into patient use of this information and its correlates over time may reveal changes in the digital divide based on patient age and education. Existing research has focused on patient characteristics that predict Internet information use and research on treatment context is rare. Objective: This study aims to (1) present data on the proportion of newly diagnosed breast cancer patients treated in German breast centers from 2007 to 2013 who used the Internet for information on their disease, (2) look into correlations between Internet utilization and sociodemographic characteristics and if these change over time, and (3) determine if use of Internet information varies with the hospitals in which the patients were initially treated. Methods: Data about utilization of the Internet for breast cancer–specific health information was obtained in a postal survey of breast cancer patients that is conducted annually in Germany with a steady response rate of 87% of consenting patients. Data from the survey were combined with data obtained by hospital personnel (eg, cancer stage and type of surgery). Data from 27,491 patients from 7 consecutive annual surveys were analyzed for this paper using multilevel regression modeling to account for clustering of patients in specific hospitals. Results: Breast cancer patients seeking disease-specific information on the Internet increased significantly from 26.96% (853/3164) in 2007 to 37.21% (1485/3991) in 2013. Similar patterns of demographic correlates were found for all 7 cohorts. Older patients (≥70 years) and patients with <10 years of formal education were less likely to use the Internet for information on topics related to their disease. Internet use was significantly higher among privately insured patients and patients living with a partner. Higher cancer stage and a foreign native language were associated with decreased use in the overall model. Type of surgery was not found to be associated with Internet use in the multivariable models. Intraclass correlation coefficients were small (0.00-0.03) suggesting only a small contribution of the hospital to the patients’ decision to use Internet information. There was no clear indication of a decreased digital divide based on age and education. Conclusions: Use of the Internet for health information is on the rise among breast cancer patients. The strong age- and education-related differences raise the question of how relevant information can be adequately provided to all patients, especially to those with limited education, older age, and living without a partner. [J Med Internet Res 2014;16(8):e195]
- 26 August 2014
- Published by JMIR Publications Inc. in Journal of Medical Internet Research
- Vol. 16 (8) , e195
Open AccessChanges Over Time in the Utilization of Disease-Related Internet Information in Newly Diagnosed Breast Cancer Patients 2007 to 2013
Background: As the number of people with Internet access rises, so does the use of the Internet as a potentially valuable source for health information. Insight into patient use of this information and its correlates over time may reveal changes in the digital divide based on patient age and education. Existing research has focused on patient characteristics that predict Internet information use and research on treatment context is rare. Objective: This study aims to (1) present data on the proportion of newly diagnosed breast cancer patients treated in German breast centers from 2007 to 2013 who used the Internet for information on their disease, (2) look into correlations between Internet utilization and sociodemographic characteristics and if these change over time, and (3) determine if use of Internet information varies with the hospitals in which the patients were initially treated. Methods: Data about utilization of the Internet for breast cancer–specific health information was obtained in a postal survey of breast cancer patients that is conducted annually in Germany with a steady response rate of 87% of consenting patients. Data from the survey were combined with data obtained by hospital personnel (eg, cancer stage and type of surgery). Data from 27,491 patients from 7 consecutive annual surveys were analyzed for this paper using multilevel regression modeling to account for clustering of patients in specific hospitals. Results: Breast cancer patients seeking disease-specific information on the Internet increased significantly from 26.96% (853/3164) in 2007 to 37.21% (1485/3991) in 2013. Similar patterns of demographic correlates were found for all 7 cohorts. Older patients (≥70 years) and patients with <10 years of formal education were less likely to use the Internet for information on topics related to their disease. Internet use was significantly higher among privately insured patients and patients living with a partner. Higher cancer stage and a foreign native language were associated with decreased use in the overall model. Type of surgery was not found to be associated with Internet use in the multivariable models. Intraclass correlation coefficients were small (0.00-0.03) suggesting only a small contribution of the hospital to the patients’ decision to use Internet information. There was no clear indication of a decreased digital divide based on age and education. Conclusions: Use of the Internet for health information is on the rise among breast cancer patients. The strong age- and education-related differences raise the question of how relevant information can be adequately provided to all patients, especially to those with limited education, older age, and living without a partner. [J Med Internet Res 2014;16(8):e195]