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Table 5 Logistic regression of use of clustering analysis for multiple therapists by predictors (N = 145)

From: Use of clustering analysis in randomized controlled trials in orthopaedic surgery

  OR 95% CI (Pvalue)
Any specialist(96) - undefined
Both specialists(96) 1.3 0.4-4.4 (0.63)
Biostatistician(101) 0.9 0.3-3.1 (0.86)
Epidemiologist/Methodologist(93) 5.7 0.7-45.9 (0.10)
Sample size(143) 1.0 1.0-1.0 (0.21)
Journal(145) 1.0 0.6-1.5 (0.85)
Impact factor(145) 1.3 0.5-3.1 (0.57)
Outcome(145) 0.7 0.3-1.7 (0.41)
Outcome2(145) 0.7 0.4-1.4 (0.35)