Table 3. Cox Regression – Factors Associated with Survival.

Cox regression results for all-cause mortality for patients diagnosed with uterine cancer (n=40,184); women from 1,081 National Cancer Data Base-reporting hospitals diagnosed between 2003 and 2006, with follow-up through 2011.

Risk Factor	Hazard Ratio (95% CI)	p value
Treatment
< 6 weeks	Reference
> 6 weeks	1.15 (1.10–1.21)	<0.001
Age
< 40 yo	0.18 (0.14–0.22)	<0.001
40–49	0.19 (0.17–0.21)	<0.001
50–59	0.28 (0.26–0.30)	<0.001
60–69	0.47 (0.44–0.50)	<0.001
> 70 yo	Reference
Race/Ethnicity
Non-Hispanic White	Reference
Non-Hispanic Black	1.17 (1.08–1.27)	<0.001
Hispanic	0.80 (0.71–0.90)	<0.001
Asian	0.63 (0.52–0.76)	<0.001
Other/Unknown	0.97 (0.83–1.14)	0.712
Insurance Status
Private Insurance	Reference
Medicaid/Uninsured	1.40 (1.28–1.53)	<0.001
Income
Lowest quartile	1.14 (1.02–1.26)	0.016
Second quartile	1.09 (1.01–1.19)	0.036
Third quartile	1.07 (1.00–1.15)	0.05
Fourth quartile	Reference
Unknown	0.15	0.114
Education
Lowest quartile	1.16 (1.05–1.29)	0.003
Second quartile	1.07 (0.99–1.17)	0.074
Third quartile	1.08 (1.01–1.17)	0.020
Fourth quartile	Reference
Unknown	8.02 (0.75–85.4)	0.084
CoMorbidity
CDS 0	Reference
CDS 1	1.37 (1.30–1.45)	<0.001
CDS 2	2.18 (1.97–2.41)	<0.001
AJCC Stage
Stage 0	0.85 (0.05–0.14)	<0.001
Stage 1	0.11 (0.08–0.14)	<0.001
Stage 2	0.20 (0.15–0.26)	<0.001
Stage 3	0.30 (0.23–0.39)	<0.001
Stage 4	Reference
Grade
1	Reference
2	1.48 (1.39–1.58)	<0.001
3	2.40 (2.24–2.57)	<0.001
Unknown	2.15 (1.95–2.38)	<0.001
Nodes
Negative	Reference
Positive	1.38 (1.27–1.50)	<0.001
Not done	1.50 (1.42–1.59)	<0.001
Unknown	1.24 (0.89–1.73)	0.195
Year of Treatment
2003	Reference
2004–2006	0.99 (0.94–1.04)	0.646
2007–2009	N/A
2010–2011	N/A
Type of Endometrial Cancer
Type I	0.72 (0.68–0.76)	<0.001
Type II	Reference