Table 4 Univariate and multivariate analysis of prognostic factors for RFS in patients with non-metastatic ccRCC before and after propensity score matching

Sex

(Male vs Female)

1.546

(0.836-2.860)

0.165

1.267

(0.326-1.910)

0.600

Age

(≤65 vs >65)

0.646

(0.361-1.157)

0.141

0.683

(0.308-1.511)

0.346

Hypertension

(No vs Yes)

1.089

(0.617-1.921)

0.769

0.917

(0.496-2.400)

0.829

Diabetes

(No vs Yes)

0.665

(0.341-1.296)

0.231

0.884

(0.410-3.119)

0.813

Smoke

(No vs Yes)

0.435

(0.250-0.757)

0.003^*

0.473

(0.270-0.830)

0.009^*

0.616

(0.276-1.379)

0.239

BMI

0.926

(0.844-1.016)

0.103

0.911

(0.791-1.050)

0.198

Tumor sidedness

(Left vs Right)

0.867

(0.498-1.509)

0.614

1.535

(0.698-3.375)

0.287

pT stage

(pT1-T2 vs pT3-T4)

0.207

(0.088-0.486)

<0.001^*

0.282

(0.083-0.965)

0.044^*

Fuhrman grade

(I-II vs III-IV)

0.429

(0.243-0.758)

0.004^*

0.392

(0.180-0.852)

0.018^*

Surgical method

(RN vs PN)

0.374

(0.176-0.796)

0.011^*

0.326

(0.099-1.072)

0.065

Surgical approach

<0.001^*

0.970

Laparoscopic

Reference

Reference

Open

3.213

(1.735-5.949)

<0.001^*

1.502

(0.469-4.806)

0.493

Robotic

1.208

(0.426-3.426)

0.723

0.834

(0.312-2.227)

0.717

Tumor size

1.380

(1.263-1.507)

<0.001^*

1.373

(1.255-1.503)

<0.001^*

1.364

(1.189-1.564)

<0.001^*

1.376

(1.171-1.618)

<0.001^*

GNRI

(≤98 vs >98)

3.201

(1.719-5.962)

<0.001^*

2.731

(1.455-5.129)

0.002^*

2.779

(1.266-6.100)

0.011^*

3.433

(1.453-8.113)

0.005^*