Table 1 Demographics and baseline characteristics
|  | Group RP (n = 22) | Group Con (n = 20) | P value |
|---|---|---|---|
Age, (y) | 66.1 ± 7.2 | 67.9 ± 6.5 | 0.397 |
Weight, (kg) | 71.9 ± 9.6 | 67.3 ± 10.9 | 0.146 |
Height, (cm) | 162.27 ± 4.92 | 155.85 ± 4.93 | 0.221 |
Body mass index, (kg/m2) | 27.3 ± 3.7 | 27.6 ± 3.8 | 0.829 |
Sex, (male) | 5 | 4 | 0.578 |
Duration of surgery, (min) | 136 ± 22 | 124 ± 17 | 0.058 |
Duration of spinal block, (min) | 143 ± 7 | 140 ± 9 | 0.215 |
Surgical incision length, (cm) | 13.4 ± 3.0 | 12.0 ± 3.0 | 0.097 |
Range of motion before surgery, (degree) | 102 ± 13 | 102 ± 16 | 0.667 |