Table 2.

Univariate Cox regression model adjusted for possible predictors estimating cancer-specific and overall survival in 244 patients treated with cyto-reductive nephrectomy for metastatic renal cell carcinoma

	Cancer-specific survival			Overall survival
	HR	95% CI of HR	p value	HR	95% CI of HR	p value
Age	1.004	0.986–1.023	0.679	1.005	0.989–1.023	0.530
BMI (kg/m 2)	Reference (< 20)			Reference (< 20)
20–25	0.778	0.456–1.327	0.356	0.783	0.478–1.283	0.332
≥ 25	0.373	0.182–0.762	0.007	0.387	0.202–0.743	0.004
Albumin (g/dL)	Reference (< 3.5)			Reference (< 3.5)
3.5–4.3	0.610	0.375–0.991	0.046	0.577	0.371–0.899	0.015
≥ 4.3	0.515	0.290–0.916	0.024	0.485	0.286–0.822	0.007
Heng’s criteria	Reference (Low risk)			Reference (Low risk)
Intermediate risk	1.265	0.729–2.198	0.403	1.188	0.720–1.961	0.499
High risk	1.842	0.957–3.546	0.067	1.806	0.999–3.266	0.050
Cholesterol level (cat.)	2.251	1.285–3.941	0.005	2.100	1.272–3.466	0.004

HR hazard ratio, CI confidence interval, BMI body mass index, cat. Categorical variable