Table 4. Univariable and multivariable competing risks regression models for prediction of cancer-specific survival after accounting for other-cause mortality.

Characteristics	Univariate Competing Risks Regression		Multivariate Competing Risks Regression
	HR(95% CI)	p value	HR(95% CI)	p value
Gender (Male vs Female)	0.80(0.54–1.18)	0.280	1.22(0.76–1.98)	0.404
Tumor stage (pT1a vs pT1b vs pT2)	1.45(1.12–1.88)	0.004	0.73(0.55–0.97)	0.030
Age(≤45 vs >45 years old)	1.52(1.01–2.29)	0.044	3.60(1.93–6.71)	0.001
Histological subtype (Clear vs Papillary vs Chromophobe)	0.60(0.39–0.91)	0.018	1.03(0.70–1.51)	0.883
Fuhrman grade (G1 vs G2 vs G3/4)	1.36(1.06–1.76)	0.015	1.03(0.75–1.42)	0.832
Tumor side (Left vs Right)	1.23(0.86–1.77)	0.250	0.89(0.56–1.40)	0.617
BMI (<25 vs ≥25)	0.69(0.46–1.03)	0.073	1.06(0.67–1.67)	0.791
ECOG PS (0 vs ≥1)	1.63(1.10–2.42)	0.014	2.73(1.75–4.27)	0.001