Does Survival Vary for Breast Cancer Patients in the United States? A Study from Six Randomly Selected States

Table 4

Hazard ratio and confidence intervals.

States	DF	Parameter estimate	Standard error	Chi-Square	Pr > ChiSq	Hazard ratio	95% hazard ratio Confidence limits
							Lower limit	Upper limit
California	1	0.163	0.051	10.400		1.177	1.066	1.300
Connecticut	1	0.232	0.050	21.645		1.261	1.143	1.390
Georgia	1	0.229	0.053	18.834		1.257	1.134	1.394
Iowa	1	0.208	0.049	17.990		1.232	1.119	1.356
New Mexico	1	0.241	0.051	22.318		1.272	1.151	1.406