Table 2. Multivariate cox regression analysis of mortality.

Term		Risk Ratio	Lower 95%	Upper 95%	p
Adiponectin expression > 1		2.40	1.05	5.44	0.04*
T	2 vs. 1	1.69	0.75	4.06	0.21
	3 vs. 1	2.99	0.73	12.22	0.13
	4 vs. 1	2.48	0.83	7.63	0.10
N	1 vs. 0	1.99	0.81	4.78	0.13
	2 vs. 0	2.18	0.68	6.72	0.19
	3 vs. 0	2.46	0.62	8.79	0.19
Metastasis		1.83	0.60	5.55	0.29
Pathology	AD vs. SQ	1.08	0.53	2.33	0.84
Smoking		1.87	0.92	3.78	0.09
Stage	(3 + 4) vs. (1 + 2)	0.49	2.10	2.03	0.12

*p < 0.05