Table 1: Patient characteristics.

Total Non-tourniquet group Tourniquet group p value
Number of patients, n 20 10 10
Sex (male, female, n) 10, 10 5, 5 5, 5
Age, years (mean±SD, [range]) 73.5±6.6 (60-81) 73.7±7.0 (60-81) 73.3±6.6 (60-80) 0.897
Diagnosis of primary osteoarthritis, n 20 10 10
Weight, Kg (mean±SD, [range]) 62.4±8.1 (47.9-81.1) 60.0±5.1 (50.6-67.5) 64.7±10.0 (47.9-81.1) 0.207
Height, cm (mean±SD [range]) 155.5±7.1 (142.2-168.0) 155.9±4.3 (151.2-163.6) 155.2±9.4 (142.2-168.0) 0.821
BMI, kg/m2 (mean±SD [range]) 25.8±2.6 (21.6-30.3) 24.7±1.7 (22.1-26.9) 26.8±3.1 (21.6-30.3) 0.068

SD: standard deviation, BMI: body mass index.