TABLE 1.

Clinical‐pathologic characteristic of 246 patients with clear cell renal cell carcinoma and association between BMP8A expression and these variables

Parameter	Univariate analysis			Multivariate analysis
	HR	95% CI	P	HR	95% CI	P
Age	1.02	1.0‐1.04	0.012	1.03	1.01‐1.05	0.001
Gender	1.01	0.66‐1.54	0.951	1.11	0.70‐1.76	0.651
Grade	2.24	1.68‐2.99	3.61E‐08	1.49	1.07‐2.09	0.02
Stage	1.86	1.54‐2.25	1.26E‐10	1.37	0.82‐2.28	0.227
T classification	1.94	1.54‐2.46	2.69E‐08	1.01	0.63‐1.65	0.953
N classification	2.93	1.52‐5.67	0.001	1.56	0.76‐3.22	0.227
M classification	4.07	2.63‐6.30	2.76E‐10	1.84	0.83‐4.10	0.136
BMP8A	1.48	1.15‐1.90	0.002	1.34	1.03‐1.74	0.03

The bold P‐values reflect significant difference.