Table 4 Univariate and multivariate Logistic regression analysis of clinical data and worse postoperative renal function [eGFR≤60 mL/(min × 1.73 m^2)]

Gender (female vs. male)

1.108

0.390–3.147

Age

1

0.962–1.040

Body mass index

0.905

0.804–1.020

 I

–

–

 II

0.25

0.030–2.081

 III

0.25

0.026–2.416

Side (right vs. left)

0.817

0.325–2.050

Tumor diameter

1.088

0.944–1.254

 0

–

–

 I

0.24

0.058–0.991

 II

0.216

0.052–0.898

 III

0.54

0.077–3.775

 IV

0.42

0.058–3.029

Preoperative serum creatinine

0.966

0.938–0.994

–

–

–

Preoperative eGFR

1.054

1.013–1.096

1.049

1.009–1.092

0.016^*

Operation approach (open vs. laparoscopy)

1.576

0.642–3.864

Ipsilateral adrenalectomy (present vs. absent)

1.492

0.615–3.616

Lymph node dissection (present vs. absent)

0.821

0.339–1.992

Operation time

0.998

0.995–1.002

Pathological type (non-clear cell carcinoma vs. clear cell carcinoma)

2.692

0.570–12.707

WHO/ISUP 2016 Nuclear classification (12vs. 34)

2.277

0.937–5.534

Lymph node metastasis (present vs. absent)

1.134

0.220–5.847

Metastasis (present vs. absent)

2.897

0.789–10.627

Vascular wall invasion (present vs. absent)

0.482

0.195–1.192

Lymphatic vascular invasion (present vs. absent)

1.864

0.573–6.067

Perinephric tissues invasion (present vs. absent)

0.776

0.302–1.991

Renal pelvis invasion (present vs. absent)

1.152

0.378–3.505

Necrosis (present vs. absent)

0.372

0.145–0.956

0.384

0.145–1.015

0.054

Sarcomatoid differentiation (present vs. absent)

0.718

0.244–2.114

Postoperative complications (present vs. absent)

0.851

0.352–2.056