Table 1.
Necrotizing fasciitis-related mortality rates per 1,000,000 person-years
| Characteristic | Number of deaths (%) |
Age-adjusted mortality rate per 1,000,000 person-years (95% CI) |
Age-adjusted mortality rate ratios (95% CI) |
|---|---|---|---|
| Age categories* (N=9,870) | |||
| < 1 year old | 34 (0.3) | 0.77 (0.51, 1.03) | 0.45 (0.30, 0.61) |
| 1–4 years old | 5 (0.1) | 0.03 (0.00, 0.05) | 0.02 (0.00, 0.03) |
| 5–14 years old | 34 (0.3) | 0.08 (0.05, 0.10) | 0.04 (0.03, 0.06) |
| 15–24 years old | 73 (0.7) | 0.15 (0.12, 0.19) | 0.09 (0.07, 0.11) |
| 25–34 years old | 297 (3.0) | 0.67 (0.59, 0.74) | 0.39 (0.34, 0.44) |
| 35–44 years old | 794 (8.0) | 1.71 (1.59, 1.83) | Reference |
| 45–54 years old | 1,876 (19.0) | 3.91 (3.74, 4.09) | 2.29 (2.10, 2.48) |
| 55–64 years old | 2,461 (24.9) | 6.56 (6.30, 6.81) | 3.83 (3.52, 4.17) |
| 65–74 years old | 1,893 (19.2) | 8.22 (7.85, 8.59) | 4.80 (4.41, 5.20) |
| 75–84 years old | 1,585 (16.1) | 10.99 (10.45, 11.53) | 6.42 (5.87, 6.97) |
| >84 years old | 818 (8.3) | 14.27 (13.29, 15.25) | 8.34 (7.52, 9.15) |
| Sex | |||
| Female | 4,807 (48.7) | 2.65 (2.57, 2.73) | Reference |
| Male | 5,063 (51.3) | 3.31 (3.22, 3.39) | 1.25 (1.20, 1.30) |
| Race/ethnicity | |||
| White, non-Hispanic | 6,548 (66.4) | 2.58 (2.51, 2.65) | Reference |
| Black, non-Hispanic | 1,694 (17.2) | 5.07 (4.88, 5.26) | 1.97 (1.87, 2.06) |
| Hispanic | 1,209 (12.3) | 3.67 (3.54, 3.80) | 1.42 (1.36, 1.49) |
| Asian, non-Hispanic | 255 (2.6) | 1.87 (1.68, 2.05) | 0.72 (0.65, 0.80) |
| American Indian or Alaskan Native, non-Hispanic | 164 (1.7) | 7.37 (6.46, 8.27) | 2.86 (2.50, 3.21) |
*
Age-specific mortality rates are reported