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Table 2 Main findings from the trial in relation to primary outcome measures

From: An embedded longitudinal multi-faceted qualitative evaluation of a complex cluster randomized controlled trial aiming to reduce clinically important errors in medicines management in general practice

Outcome measure Six months follow-up 12 months follow-up
Patients with a history of peptic ulcer being prescribed non-selective NSAIDs (nonsteroidal anti-inflammatory drugs) Significant reduction in error rates in PINCER intervention practices when compared to Simple feedback practices (OR 0.58, 95% CI 0.38, 0.89) Reduced error rates in PINCER intervention practices when compared to Simple feedback practices but no longer significant (OR 0.91, 95% CI 0.59, 1.39)
Patients with a history of asthma being prescribed beta-blockers Significant reduction in error rates in PINCER intervention practices when compared to Simple feedback practices (OR 0.73, 95% CI 0.58, 0.91) Significant reduction in error rates in PINCER intervention practices when compared to Simple feedback practices (OR 0.78, 95% CI 0.63, 0.97)
Patients aged 75 years and older receiving long-term prescriptions for ACE inhibitors or loop diuretics without a recorded assessment of renal function and electrolytes in the preceding 15 months. Significant reduction in error rates in PINCER intervention practices when compared to Simple feedback practices (OR 0.51, 95% CI 0.34, 0.78) Significant reduction in error rates in PINCER intervention practices when compared to Simple feedback practices (OR 0.63, 95% CI 0.41, 0.95)
  1. CI, confidence interval; OR, odds ratio.