Table 2 Baseline characteristics of the participants according to intervention
From: Synovectomy during total knee arthroplasty: a pilot single-centre randomised controlled trial
|  | No synovectomy (n = 20) | Synovectomy (n = 20) |
|---|---|---|
Sex | ||
 Male, n (%) | 13 (65%) | 16 (80%) |
 Female, n (%) | 7 (35%) | 4 (20%) |
Age in years (range) | 67.5 (44.6–83.3) | 69.1 (54.6–85.4) |
Average number of co-morbidities mean (SD) | 1.4 (1.1) | 1.5 (1.4) |
Side of operation | ||
 Right, n (%) | 12 (60%) | 7 (35%) |
 Left, n (%) | 8 (40%) | 13 (65%) |
 BMI (kg/m2) mean (SD) | 28.7 (3.2) | 30.1 (3.4) |