Characteristics | HR (95% CI) | P value |
Age at diagnosis, years | ||
44 or less | 1.00 (Reference) | |
45 to 49 | 0.99 (0.82 to 1.18) | 0.9 |
50 to 53 | 0.85 (0.71 to 1.03) | 0.1 |
54 to 57 | 1.14 (0.97 to 1.34) | 0.1 |
58 to 63 | 1.32 (1.14 to 1.54) | 0.0003 |
Health insurance plan type | ||
HMO | 1.00 (Reference) | |
PPO | 1.09 (0.94 to 1.27) | 0.2 |
Other* | 1.38 (1.17 to 1.63) | 0.0001 |
Region | ||
Northeast | 1.00 (Reference) | |
North central | 1.17 (1.01 to 1.37) | 0.04 |
South | 0.76 (0.65 to 0.87) | 0.0002 |
West | 1.25 (1.06 to 1.47) | 0.0064 |
Unknown | 0.68 (0.10 to 4.80) | 0.7 |
Charlson Comorbidity Index score | ||
0 | 1.00 (Reference) | |
1+ | 1.21 (1.05 to 1.41) | 0.01 |
Cancer type | ||
Endometrial | 1.00 (Reference) | |
Cervical | 0.96 (0.81 to 1.15) | 0.7 |
Ovarian | 0.87 (0.77 to 0.99) | 0.04 |
Vulvar | 0.76 (0.53 to 1.10) | 0.1 |
Treatment group | ||
Surgery only | 1.00 (Reference) | |
Surgery with adjuvant treatment | 1.35 (1.20 to 1.52) | <0.0001 |
Chemotherapy, radiation, or chemoradiation only | 1.39 (1.10 to 1.76) | 0.006 |
Adverse events | ||
None | 1.00 (Reference) | |
1 | 1.05 (0.91 to 1.20) | 0.5 |
2+ | 1.00 (0.71 to 1.41) | 0.9 |
Year of diagnosis | ||
2009 | 1.00 (Reference) | |
2010 | 0.90 (0.71 to 1.15) | 0.4 |
2011 | 0.98 (0.77 to 1.23) | 0.8 |
2012 | 0.85 (0.67 to 1.08) | 0.2 |
2013 | 0.98 (0.77 to 1.24) | 0.9 |
2014 | 0.79 (0.62 to 1.02) | 0.06 |
2015 | 1.00 (0.80 to 1.24) | 0.9 |
2016 | 1.05 (0.85 to 1.30) | 0.6 |
2017 | 0.99 (0.80 to 1.24) | 0.9 |
*Other health insurance plans include comprehensive, point-of-service, point-of-service with capitation, high-deductible, and exclusive-provider-organization health plans.
HMO, health maintenance organization; PPO, preferred provider organization.