Table 3.
Linear regression analysis of percent change in eGFR
| Variables | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| B | 95%CI | P | B | 95%CI | P | |
| Gender (female vs. male) | 0.047 | −0.289-0.383 | 0.782 | |||
| Age | − 0.009 | − 0.023-0.004 | 0.182 | |||
| Body mass index | 0.028 | −0.013-0.069 | 0.182 | |||
| ASA classification | −0.107 | −0.426-0.212 | 0.507 | |||
| Side (right vs. left) | −0.167 | −0.469-0.135 | 0.276 | |||
| Tumor diameter | 0.044 | 0.003–0.085 | 0.037* | 0.037 | −0.001-0.074 | 0.058 |
| Tumor thrombus grade | 0.016 | −0.106-0.138 | 0.794 | |||
| Preoperative serum creatinine | 0.01 | 0.009–0.011 | < 0.001* | – | – | – |
| Preoperative eGFR | −0.014 | −0.020--0.007 | < 0.001* | −0.013 | − 0.019--0.007 | < 0.001* |
| Operation approach (open vs. laparoscopy) | −0.101 | − 0.394-0.192 | 0.496 | |||
| Operation time | 0.001 | 0.000–0.002 | 0.094 | |||
| Pathological type (non-clear cell carcinoma vs. clear cell carcinoma) | 0.59 | 0.191–0.988 | 0.004* | 0.623 | 0.236–1.010 | 0.002* |
| Vascular wall invasion (present vs. absent) | 0.247 | −0.049-0.543 | 0.101 | |||
| Lymphatic vascular invasion (present vs. absent) | −0.128 | −0.485-0.229 | 0.48 | |||
| Perinephric tissues invasion (present vs. absent) | 0.156 | −0.163-0.475 | 0.336 | |||
| Renal pelvis invasion (present vs. absent) | 0.368 | 0.020–0.716 | 0.038* | |||
| Necrosis (present vs. absent) | −0.16 | −0.455-0.134 | 0.284 | |||
| Sarcomatoid differentiation (present vs. absent) | −0.066 | −0.464-0.332 | 0.743 | |||
eGFR estimated glomerular filtration rate, ISUP International Society of Urological Pathology, ASA American Society of Anesthesiologists; *p<0.05