Tumor characteristics of invasive ovarian cancer in non-Hispanic whites, Hispanics, and African Americans: Los Angeles County Ovarian Cancer Study
| Non-Hispanic whites | Hispanics | African Americans | |
|---|---|---|---|
| N = 1,265 | N = 308 | N = 128 | |
| Age, y | |||
| <30 | 12 (0.9%) | 5 (1.6%) | 1 (0.8%) |
| 30–34 | 14 (1.1%) | 11 (3.6%) | 2 (1.6%) |
| 35–39 | 33 (2.6%) | 10 (3.2%) | 3 (2.3%) |
| 40–44 | 58 (4.6%) | 31 (10.1%) | 13 (10.2%) |
| 45–49 | 144 (11.4%) | 36 (11.7%) | 17 (13.3%) |
| 50–54 | 194 (15.3%) | 60 (19.5%) | 25 (19.5%) |
| 55–59 | 186 (14.7%) | 46 (14.9%) | 18 (14.1%) |
| 60–64 | 193 (15.3%) | 43 (14.0%) | 24 (18.8%) |
| 65–69 | 179 (14.2%) | 29 (9.4%) | 15 (11.7%) |
| 70–74 | 160 (12.6%) | 23 (7.5%) | 8 (6.3%) |
| 75–79 | 92 (7.3%) | 14 (4.5%) | 2 (1.6%) |
| Histology | |||
| Serous | 721 (57.0%) | 179 (58.1%) | 71 (55.5%) |
| Mucinous | 85 (6.7%) | 26 (8.4%) | 12 (9.4%) |
| Endometrioid | 153 (12.1%) | 34 (11.0%) | 14 (10.9%) |
| Clear cell | 75 (5.9%) | 14 (4.5%) | 4 (3.1%) |
| Epithelial | 40 (3.2%) | 13 (4.2%) | 2 (1.6.%) |
| Undifferentiated/poorly | 53 (4.2%) | 12 (3.9%) | 10 (7.8%) |
| Other | 131 (10.4%) | 28 (9.1%) | 14 (10.9%) |
| Not known | 7 (0.6%) | 2 (0.6%) | 1 (0.8%) |
| P3dfa,b | 0.54 | 0.40 | |
| Stage | |||
| Localized | 216 (17.1%) | 58 (18.8%) | 30 (23.4%) |
| Regional | 170 (13.4%) | 49 (15.9%) | 12 (9.4%) |
| Distant | 853 (67.4%) | 197 (64.0%) | 83 (64.8%) |
| Not known | 26 (2.1%) | 4 (1.3%) | 3 (2.3%) |
| P2dfa,c | 0.38 | 0.12 | |
| Differentiation | |||
| Well | 119 (9.4%) | 29 (9.4%) | 9 (7.0%) |
| Moderately well | 235 (18.6%) | 53 (17.2%) | 28 (21.9%) |
| Poorly | 502 (39.7%) | 119 (38.6%) | 46 (35.9%) |
| Undifferentiated | 170 (13.4%) | 33 (10.7%) | 16 (12.5%) |
| Not known | 239 (18.9%) | 74 (24.0%) | 29 (22.7%) |
| P3dfa,b | 0.81 | 0.63 | |