2.

影响1 018例NSCLC患者生存期的预后因素(Cox回归分析）

Prognostic factors for surival in patients with 1 018 NSCLC patients (Cox regression model)

Characteristics	B	P	Hazard ratio (HR)	95% confidence interval
				Lower	Upper
Gender (Female; Male)	0.488	0.001	1.629	1.221	2.174
Tumor size (≥3 cm; < 3 cm)	-0.312	0.042	0.732	0.542	0.988
Lymph node metastasis (Yes; No)	-0.508	0.001	0.602	0.464	0.781
Clinical stage (Stage Ⅲa-Ⅰ)	-0.375	0.009	0.688	0.519	0.910
Albumin (Low; Normal)	-0.171	0.229	0.843	0.637	1.114
Anemia (No; Yes)	0.171	0.565	1.187	0.662	2.130