Table 2.
Numbers and Rates of Uterine Fibroids by Demographics and Miltiary Characteristics Among Active Component Female Service Members, 2011–2022
| Characteristic | No. of Cases | IRa (95% CI) | IRR (95% CI) |
|---|---|---|---|
| Total | 16,046 | 63.5 (62.5, 64.5) | --- |
| Age group | |||
| <25 | 1,000 | 9.6 (9.0, 10.1) | Ref |
| 25-29 | 2,329 | 36.2 (34.7, 37.7) | 3.8 (3.5, 4.1) |
| 30-34 | 3,429 | 85.2 (82.3, 88.0) | 8.9 (8.3, 9.6) |
| 35-39 | 4,301 | 169.3 (164.3, 174.4) | 17.7 (16.5, 19.0) |
| 40+ | 4,987 | 276.6 (268.9, 284.2) | 29.0 (27.1, 31.0) |
| Inpatient procedure codes | |||
| Race and ethnicity | |||
| White, non-Hispanic | 3,648 | 32.3 (31.3, 33.4) | Ref |
| Black, non-Hispanic | 8,974 | 150.5 (147.3, 153.6) | 4.7 (4.5, 4.8) |
| Hispanic | 1,727 | 38.9 (37.1, 40.7) | 1.2 (1.1, 1.3) |
| Other | 1,697 | 47.4 (45.1, 49.6) | 1.5 (1.4, 1.6) |
| Service | |||
| Army | 6,986 | 85.0 (83.0, 87.0) | 4.1 (3.7, 4.5) |
| Navy | 3,471 | 48.4 (46.8, 50.1) | 2.3 (2.1, 2.6) |
| Air Force | 4,785 | 64.3 (62.5, 66.2) | 3.1 (2.8, 3.4) |
| Marine Corps | 373 | 20.8 (18.7, 22.9) | Ref |
| Coast Guard | 431 | 65.4 (59.3, 71.6) | 3.1 (2.7, 3.6) |
Abbreviations: No., number; IR, incidence rate; CI, confidence interval; IRR, incidence rate ratio.
aper 10,000 person-years