Effects of Two Guideline Implementation Strategies on Patient Outcomes in Primary Care

Authors:
  • CLCorinna Leonhardt
    Corinna Leonhardt
  • MKMichael M. Kochen
    Michael M. Kochen
  • SKStefan Keller
    Stefan Keller
  • KWKarl Wegscheider
    Karl Wegscheider
  • EBErika Baum
    Erika Baum
  • NDNorbert Donner-Banzhoff
    Norbert Donner-Banzhoff
  • MPMichael Pfingsten
    Michael Pfingsten
  • JHJan Hildebrandt
    Jan Hildebrandt
  • HBHeinz-Dieter Basler
    Heinz-Dieter Basler
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Abstract
Cluster randomized controlled trial. To improve quality of care for patients with low back pain (LBP) a multifaceted general practitioner education alone and in combination with motivational counseling by practice nurses has been implemented in German general practices. We studied effects on functional capacity (main outcome), days in pain, physical activity, quality of life, or days of sick leave (secondary outcomes) compared with no intervention. International research has lead to the development of the German LBP guideline for general practitioners. However, there is still doubt about the most effective implementation strategy. Although effects on process of care have been observed frequently, changes in patient outcomes are rarely seen. We recruited 1378 patients with LBP in 118 general practices, which were randomized to 1 of 3 study arms: a multifaceted guideline implementation (GI), GI plus training of practice nurses in motivational counseling (MC), and the postal dissemination of the guideline (controls, C). Data were collected (questionnaires and patient interviews) at baseline and after 6 and 12 months. Multilevel mixed effects modeling was used to adjust for clustering of data and potential confounders. After 6 months, functional capacity was higher in the intervention groups with a cluster adjusted mean difference of 3.650 between the MC group and controls (95% CI = 0.320–6.979, P = 0.032) and 2.652 between the GI group and controls (95% CI = −0.704 to 6.007, P = 0.120). Intervention effects were more pronounced regarding days in pain per year with an average reduction of 16 (GI) to 17 days (MC) after 6 months (12 and 9 days after 12 months) compared with controls. Active implementation of the German LBP guideline results in slightly better outcomes during 6 months follow-up than its postal dissemination. Results are more distinct when practice nurses are trained in motivational counseling.

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