Table 3.
Expected vs. Observed Enrollment
| White Incidence | Black Incidence |
Expected W:B ratio |
|
| Expected Incidence Per 100,000 | |||
| Ovary | 12.9 | 9.5 | 1 to 0.74 |
| Endometrial | 24.8 | 22.4 | 1 to 0.90 |
| Cervical | 7.7 | 10.3 | 1 to 1.34 |
| Sarcoma | 3.6 | 7 | 1 to 1.94 |
| Observed White | Observed Black |
Observed W:B ratio |
|
| Observed Incidence | |||
| Ovary | 23,269 | 1,258 | 1 to 0.05 |
| Endometrial | 9,289 | 850 | 1 to 0.09 |
| Cervical | 4,421 | 1,340 | 1 to 0.30 |
| Sarcoma | 638 | 238 | 1 to 0.37 |
|
Expected W:B ratio |
Observed W:B ratio |
Fold Difference in Ratios |
|
| Ovary | 1 to 0.74 | 1 to 0.05 | 14.8 fold |
| Endometrial | 1 to 0.90 | 1 to 0.09 | 9.8 fold |
| Cervical | 1 to 1.34 | 1 to 0.30 | 4.5 fold |
| Sarcoma | 1 to 1.94 | 1 to 0.37 | 5.2 fold |