Volume 20, Number 8—August 2014
CME ACTIVITY - Synopsis
Leptospirosis-Associated Hospitalizations, United States, 1998–2009
Table 1
Leptospirosis-associated hospitalizations and hospitalization rates by selected demographic characteristics, United States, 1998–2009*
| Characteristic | No. leptospirosis-associated hospitalizations (SE)† | Hospitalization rate (95% CI)‡ |
|---|---|---|
| Total |
1,994 (126) |
0.6 (0.5–0.6) |
| Patient age group | ||
| 0–19 | 287 (41) | 0.3 (0.2–0.4) |
| 20–59 | 1,260 (95) | 0.7 (0.6–0.7) |
| >60 |
441 (53) |
0.7 (0.6–0.9) |
| Patient sex, age group, y | ||
| M | 1,401 (105) | 0.8 (0.7–0.9) |
| 0–19 | 190 (32) | 0.4 (0.3–0.5) |
| 20–59 | 934 (80) | 1.0 (0.8–1.1) |
| >60 | 277 (42) | 1.1 (0.8–1.4) |
| F | 587 (57) | 0.3 (0.3–0.4) |
| 0–19 | 97 (22) | 0.2 (0.1–0.3) |
| 20–59 | 326 (42) | 0.3 (0.3–0.4) |
| >60 |
164 (31) |
0.5 (0.3–0.7) |
| Region of residence | ||
| Northeast | 261 (37) | 0.4 (0.3–0.5) |
| Midwest | 387 (48) | 0.5 (0.4–0.6) |
| South | 780 (68) | 0.6 (0.5–0.7) |
| West | 565 (87) | 0.7 (0.5–0.9) |
*SEs and 95% CIs were calculated by using SUDAAN software (http://www.rti.org/sudaan/).
†Numbers in subgroups do not total 1,994 because of missing values in the Nationwide Inpatient Sample.
‡Rate per 1,000,000 persons in corresponding population.
1These authors contributed equally to this article.
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