Table 2 Univariate and multivariate logistic regression analyses of the risk factors for eGFR <60 mL/min/1.73 m² at 1 year after surgery

Univariate

Risk factors

P value

Odds ratio

95% CI

Age

> 65.5 years

0.11

2.4

0.8–7.3

Gender

Male

1.00

1.0

0.3–3.4

 Cardiovascular disease

Positive

0.43

0.4

0.0–3.8

 Hypertension

Positive

0.75

0.8

0.3–2.6

 Diabetes

Positive

0.36

1.9

0.5–8.2

Pathological T stage

pT3, 4

0.68

0.7

0.1–3.8

Pathological N status

pN+

0.57

2.3

0.1–38.1

Hydronephrosis at 1 M

> low

0.22

2.1

0.6–6.7

Neoadjuvant chemotherapy

received

0.94

0.9

0.1–10.6

Preoperative eGFR

< 60

0.03

7.0

1.2–40

Postoperative eGFR at 1 M

< 60

0.00

7.7

2.2–27

Complications (any grade)

Positive

0.53

1.5

0.4–4.8

Operative duration

> 294

0.04

3.4

1.1–10

Blood loss (g)

> 1380

0.11

2.4

0.8–7.3

Recurrence

Positive

0.57

2.3

0.1–38.1

Multivariate

Risk factors

P value

Odds ratio

95% CI

Age

> 65.5 years

0.03

1.2

1.1–1.5

Gender

Male

0.03

0.7

0.5–0.9

Hydronephrosis at 1 M

> low

0.36

0.4

0.7–1.1

Preoperative eGFR

< 60

0.25

3.7

0.4–34.0

Postoperative eGFR at 1 M

< 60

0.01

9.0

1.9–42.4

Operative duration

> 294

0.02

6.2

1.3–29.3