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Table 3 Precision and rater agreement

From: Identifying quality improvement intervention publications - A comparison of electronic search strategies

Search strategy
'quality' AND 'improv*' AND 'intervention*'(PubMed, selected journals)
Total yield: 183 publications
Precision (n, % relevant publication)
N = 183
Total Inter-Rater-Agreement on Relevance Kappa
(95% Confidence Interval)
Publications rated as relevant for quality improvement by at least 1 rater 122 (67%) --- ---
Publications rated as relevant for quality improvement by both raters 99 (54%) 87% 0.74
(CI: 0.64, 0.84)
Publications rated as reporting on effects of a quality improvement intervention by at least 1 rater 74 (40%) --- ---
Publications rated as reporting on effects of a quality improvement intervention by both raters 50 (27%) 90% 0.77
(CI: 0.67, 0.87)
QI Publications rated MRC definitive study by at least 1 rater 35 (19%) --- ---
QI Publications rated MRC definitive study by both raters 25 (14%) 92% 0.78
(CI: 0.65, 0.91)
  1. * notates truncation; CI: confidence interval