Incidence and Survival Analysis of Gastrointestinal Stromal Tumors in Shanghai: A Population-Based Study from 2001 to 2010

Table 4

Cox proportional hazards model with multivariate analysis.

	Hazard ratio	𝑃 value	Standard Error	95% CI
Age
<40	Reference
[40, 65)	1.9754	0.1070	0.8354	0.8623	4.5250
≥65	5.0853	0.0000	2.1284	2.2390	11.5499
Gender
Female	Reference
Male	1.4740	0.0040	0.1996	1.1303	1.9221
Location
Stomach	Reference
Intestine	1.6092	0.0010	0.2322	1.2127	2.1353
Others	1.9870	0.0010	0.4120	1.3235	2.9832