2.

单因素和多因素分析肺癌Cat X、cystatin C及其它因素与预后的情况

Univariate and multivariate analysis of Cat X, cystatin C, and other potential factors for prognosis in patients with lung cancer

Characteristic		n	Overall survival (month)	Univariate analysis			Multivariate analysis
				P	RR		P	RR
Cat X	< 2.30	44	22.9	0.019	1.678		0.768	1.131
	≥2.30	30	15.8
Cystatin C	< 523.18	45	22.6	0.105	1.436		0.152	0.89
	≥523.18	39	17.3
Cystatin C/Cat X	< 233.00	42	18.5	0.069	0.665		0.582	0.783
	≥233.00	42	23.5
Gender	Male	50	17.3	0.103	0.688		0.358	0.789
	Female	34	22.3
Age (yr)	< 61.5	42	21.1	0.177	1.357		0.376	1.26
	≥61.5	42	17.9
Pathological type	SCC	30	17.6	0.638	1.078		0.193	1.25
	ADC	40	20.5
	SCLC	14	17.9
Lymph node metastasis	Yes	54	18.2	0.409	0.827		0.994	1.002
	No	30	20.3
Grade	G1+G2	42	20.6	0.345	1.232		0.072	1.634
	G3	42	16.8
Stage	Ⅰ+Ⅱ	28	23.8	0.011	1.827		0.009	2.25
	Ⅲ+Ⅳ	56	15.4