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Table 1 The general characteristics of the included studies

From: Should synovectomy be performed in primary total knee arthroplasty for osteoarthritis? A meta-analysis of randomized controlled trials

Study Sample size (intervention/control) Mean age (year) Gender (male/female) Mean BMI (kg/cm2) Intervention Control Outcomes Design Follow-up
Bernal-Fortich et al. [16] 148 (75/73) 70 53/95 29 Synovectomy Synovium retention 1, 6, 7, 9 RCT 1 year
Kilicarslan et al. [19] 100 (50/50) 68 30/70 NS Synovectomy Synovium retention 1, 3, 4, 5, 8 RCT 1 year
Rankin et al. [15] 40 (20/20) 68 29/11 28 Synovectomy Synovium retention 4, 6, 7, 9 RCT 1 year
Tanavalee et al. [18] 67 (34/33) 70 13/54 28 Synovectomy Synovium retention 2, 3 RCT 26 weeks
Zhaoning et al. [17] 187 (96/91) 68 48/139 27 Synovectomy Synovium retention 1, 2, 3, 4, 5, 6, 7, 8 RCT 1 year
  1. 1, VAS; 2, clinical KSS; 3, functional KSS; 4, range of motion; 5, drainage; 6, pre- and postoperative hemoglobin difference; 7, transfusion rate; 8, operative time; 9, complication