Table 4 Comparative analysis between PN followed by PN subgroups (synchronous vs. metachronous) [latter surgery]
From: Evaluation of functional outcome of bilateral kidney tumors after sequential surgery
Variables | Synchronous (N = 29 patients) | Metachronous (N = 19 patients) | P value |
|---|---|---|---|
Preoperative eGFR, ml/min/1.73 m2, mean (SD) | 76.5 ± 22.4 | 82.1 ± 25.1 | 0.434 |
aLatest eGFR, ml/min/1.73 m2, mean (SD) | 80.2 ± 24.0 | 78.1 ± 31.2 | 0.247 |
eGFR decline from baseline, mean (SD) | |||
 Postoperative 1 week | 6.5 ± 18.0 | 7.4 ± 19.7 | 0.871 |
 Postoperative 1 month | 3.0 ± 14.9 | 8.4 ± 15.1 | 0.230 |
 Postoperative 1 year | 3.5 ± 17.5 | 9.3 ± 17.5 | 0.266 |
bLatest | −3.7 ± 24.1 | 4.0 ± 19.5 | 0.250 |
De novo CKD, stage ≥3 | |||
 Baseline CKD, Before 1st surgery | 7 (24.1%) | 1 (5.3%) | 0.123 |
 Baseline CKD, Before 2nd surgery | 5 (17.2%) | 1 (5.3%) | 0.381 |
 De novo, ≤ 1 year after 2nd surgery | 5 (17.2%) | 4 (21.1%) | 1.000 |
 De novo, > 1 year after 2nd surgery | 0 (0%) | 0 (0%) | 1.000 |
Total number of pts. with CKD at last follow-up | 10 (34.5%) | 5 (26.3%) | 0.751 |