| 指标 | A组(n = 20) | B组(n = 20) | t/c2值 | P值 |
| 男性[例(%)] | 11 (55%) | 12 (60%) | 0.102 | 0.749 |
| 年龄 | 62.45 ± 4.64 | 61.65 ± 5.46 | 0.450 | 0.620 |
| 身高 | 165.10 ± 7.41 | 166.40 ± 7.25 | 0.561 | 0.578 |
| 体重 | 63.15 ± 6.67 | 64.50 ± 6.80 | 0.634 | 0.530 |
| BMI | 23.12 ± 1.25 | 23.18 ± 1.29 | 0.137 | 0.892 |
| ASA I级[例(%)] | 4 (20%) | 5 (25%) | 0.143 | 0.705 |