Table 3

Multivariable COX proportional hazards model in patients meeting Post-Operative Radiation Therapy in Endometrial Carcinoma study 1 (PORTEC-1) criteria only

Significant factorsHazard of death (95% CI)P value
Charlson-Deyo co-morbidity score
 0
 1
 ≥2		Reference
1.19 (0.94 to 1.50)
1.74 (1.21 to 2.50)		0.157
0.003*
Race
 Non-black
 Black
 Unknown		Reference
1.71 (1.33 to 2.19)
2.02 (1.00 to 4.09)		<0.001*
0.050*
Insurance status
 Government
 Private
 Uninsured
 Unknown		Reference
0.77 (0.62 to 0.96)
0.89 (0.51 to 1.56)
1.16 (0.52 to 2.62)		0.018*
0.690
0.714
Facility type
 Academic
 Community		Reference
1.33 (1.09 to 1.63)		0.005*
Histologic grade
 Grade 1
 Grade 3		Reference
2.36 (1.84 to 3.02)		<0.001*
Lymph node dissection performed
 No
 Yes		Reference
0.69 (0.53 to 0.89)		0.005*
Radiation therapy received
 No
 Yes		Reference
0.86 (0.70 to 1.06)		0.166