| 组别 | GFR [ml/(min·1.73m2)] | P值 | |
| 轻度受损组 | 术前 | 36.51 ± 4.71 | 0.007 |
| 术后 | 46.67 ± 3.77 | ||
| 中度受损组 | 术前 | 17.13 ± 5.58 | 0.000 |
| 术后 | 24.43 ± 7.20 | ||
| 重度受损组 | 术前 | 6.16 ± 2.06 | 0.001 |
| 术后 | 11.06 ± 5.96 | ||