Table 2.

Univariable and multivariable Cox regression models to predict PFS

Prognostic Factors Univariable		Univariable Multivariate analysis		Multivariate analysis
	HR (95% CI)	p-value	HR (95% CI)	p-value
Gender.Male	0.966(0.52–1.793)	0.912
Age.Old	0.966(0.415–2.248)	0.935
IMDC.Poor	2.54(1.247–5.172)	0.010	3.97(1.08–14.62)	0.038
MSKCC.Poor	2.228(1.012–4.906)	0.047	0.57(0.14–2.24)	0.418
Sarcomatoid	3.089(1.06–8.998)	0.039	5.03(1.6–15.76)	0.006
VHL.mut	0.526(0.284–0.975)	0.041	0.47(0.25–0.91)	0.024
DDR.mut	0.405(0.186–0.882)	0.023	0.57(0.25–1.32)	0.189