表 2.

肾癌术后发生进展Cox比例风险模型多因素分析

Multivariate analysis results of Cox proportional hazards model for postoperative progression of renal cell carcinoma

Items	B	SE	Wald	P	Exp(B) (95%CI)
Ref, reference; PDW, platelet distribution width; * as continuous variable.
Nuclear grade
Ⅰ to Ⅱ	Ref	－	－	－	－
Ⅲ to Ⅳ	0.886	0.275	10.343	0.001	2.425 (1.413－4.161)
Unknow	－0.984	1.021	0.929	0.335	0.374 (0.051－2.764)
Sarcomatoid differentiation	1.132	0.428	6.999	0.008	3.101 (1.341－7.170)
PDW*	－0.308	0.067	20.884	< 0.001	0.735 (0.644－0.839)