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Table 7 Summary of overall methodological ratings by journal

From: Risk of bias of randomized controlled trials published in orthopaedic journals

Journal title* Impact factor Yes† No Not reported
AJSM (N = 74) 3.80 0.565 0.082 0.353
JBJS (N = 106) 2.97 0.536 0.106 0.358
JOR (N = 7) 2.97 0.386 0.071 0.543
OC (N = 36) 3.95 0.519 0.075 0.406
SJ (N = 16) 3.02 0.450 0.106 0.444
Mean 0.491 0.088 0.421
  1. *AJSM American Journal of Sports Medicine, JBJS Journal of Bone and Joint Surgery, JOR Journal of Orthopaedic Research, OC Osteoarthritis and Cartilage, SJ Spine Journal.
  2. † ANOVA P = .034.