Table 1 Baseline demographics for Medicare beneficiaries and death time demographics for Sepsis-related death, US 2000—2008Â
From: Long-term PM2.5 exposure and sepsis mortality in a US medicare cohort
| Â | Enrollee | Death due to Sepsis |
|---|---|---|
Persons, n (%) | 52,902,921 (100.0) | 228,439 (100.0) |
ZIP code, n (%) | 38,715 (100.0) | 24,934 (62.6) |
Age, n (%) | ||
 <  = 75 | 38,534,953 (72.8) | 60,449 (26.5) |
 > 75 | 14,367,968 (27.2) | 167,990 (73.5) |
Sex, n (%) | ||
 Female | 29,928,520 (56.6) | 131,984 (57.8) |
 Male | 22,974,401 (43.4) | 96,455 (42.2) |
Race, n (%) | ||
 Asian | 844,228 (1.6) | 1,613 (0.7) |
 Black | 4,523,321 (8.6) | 34,535 (15.1) |
 Hispanic | 958,465 (1.8) | 3,688 (1.6) |
 White | 45,495,610 (86.0) | 185,714 (81.3) |
 Other | 1,081,297 (2.0) | 2,889 (1.3) |
Urbanicitya, n (%) | ||
 Urban | 39,656,002 (75.0) | 173,514 (76.0) |
 Nonurban | 11,897,208 (22.5) | 48,597 (21.3) |
Race (Urban), n (%) | ||
 Asian | 811,611 (1.5) | 1,536 (0.7) |
 Black | 3,725,768 (7.0) | 28,015 (12.3) |
 Hispanic | 841,382 (1.6) | 3,161 (1.4) |
 White | 33,401,957 (63.1) | 138,782 (60.8) |
 Other | 875,284 (1.6) | 2,020 (0.9) |
Income (Urban), n(%) | ||
 Low | 7,818,031 (14.8) | 60,660 (26.6) |
 Middle | 15,468,091 (29.2) | 56,429 (24.7) |
 High | 16,369,880 (30.9) | 56,425 (24.7) |
Region | ||
 Northeast | 10,494,342 (19.8) | 61,462 (26.9) |
 South | 12,485,446 (23.6) | 96,040 (42.0) |
 Midwest | 19,053,623 (36.0) | 50,780 (22.2) |
 West | 10,869,510 (20.5) | 20,157 (8.8) |
With NO2b Data, n (%) | 48,224,895 (91.2) | 192,849 (84.4) |
With BRFSSc Data, n (%) | 28,416,054 (53.7) | 81,004 (35.5) |