Table 1.
Study population characteristics.
| Characteristic | N | Percent |
|---|---|---|
| Total | 11,765 | 100.0 |
| Age at diagnosis | ||
| <45 years | 1,035 | 8.8 |
| 45–54 years | 2,062 | 17.5 |
| 55–69 years | 4,179 | 35.5 |
| ≥70 years | 4,489 | 38.2 |
| Race/ethnicity | ||
| White | 8,432 | 71.7 |
| Black | 556 | 4.7 |
| Asian/Pacific Islander | 1,803 | 15.3 |
| Hispanic | 974 | 8.3 |
| Insurance | ||
| Managed care | 5,272 | 44.8 |
| Medicare | 3,798 | 32.3 |
| Medicaid | 941 | 8.0 |
| Other insurance | 1,109 | 9.4 |
| Not insured | 318 | 2.7 |
| Unknown | 327 | 2.8 |
| Socioeconomic status | ||
| Lowest (SES-1) | 1,528 | 13.0 |
| Low-middle (SES-2) | 2,137 | 18.2 |
| Middle (SES-3) | 2,481 | 21.1 |
| High-middle (SES-4) | 2,751 | 23.4 |
| Highest (SES-5) | 2,868 | 24.4 |
| Tumor stage | ||
| Stage IIIC | 7,216 | 61.3 |
| Stage IV | 4,549 | 38.7 |
| Tumor grade | ||
| Grade 1 | 344 | 2.9 |
| Grade 2 | 1,562 | 13.3 |
| Grade 3 | 4,992 | 42.4 |
| Grade 4 | 1,239 | 10.5 |
| Unknown | 3,628 | 30.9 |
| Tumor histology | ||
| Serous | 5,740 | 48.8 |
| Mucinous | 415 | 3.5 |
| Endometrioid | 638 | 5.4 |
| Clear cell | 321 | 2.7 |
| Adenocarcinoma, NOS | 1,969 | 16.7 |
| Tumor size | ||
| <5cm | 1,274 | 10.8 |
| 5–10cm | 2,114 | 18.0 |
| ≥10cm | 2,000 | 17.0 |
| Unknown | 6,377 | 54.2 |
| Hospital volume | ||
| High-volume | 2,112 | 18.0 |
| Low-volume | 9,653 | 82.0 |
| NCCN treatment guideline adherence | ||
| Adherent | 5,342 | 45.4 |
| Non-adherent | 6,423 | 54.6 |
NOS: not otherwise specified; NCCN: National Comprehensive Cancer Network