组别 | 例数(n) | 手术时长(min) | 血红蛋白下降程度(g/L) | 术后住院时长(day) | 结石清除率(n, %) |
实验组 | 50 | 54.42 ± 8.66 | 15.12 ± 11.64 | 3.92 ± 2.73 | 47 (94%) |
对照组 | 50 | 61.26 ± 9.33 | 14.88 ± 14.00 | 6.58 ± 3.33 | 40 (80%) |
χ2值/t值 |
| 4.077 | 0.093 | −4.360 | 4.332 |
P |
| 0.002 | 0.926 | 0.001 | 0.037 |