Volume 23, Number 11—November 2017
Research
Weather-Dependent Risk for Legionnaires’ Disease, United States
Table 1
Sample sizes for Legionnaires’ disease cases and other pneumonia controls in a study of weather-dependent risk for Legionnaires’ disease, United States, 1998–2011*
Total | 5,172 (100.0) | 447,132 (100.0) |
---|---|---|
Age >18 y | 5,158 (99.7) | 418,086 (93.5) |
AHA ID | 4,039 (78.1) | 288,427 (64.5) |
Sex | 4,039 (78.1) | 288,427 (64.5) |
Payer | 4,034 (78.0) | 287,847 (64.4) |
Admission month and year | 3,542 (68.5) | 253,725 (56.7) |
Race | 3,006 (58.1) | 189,630 (42.4) |
Weather station within 100 km (62 mi) of hospital | 3,005 (58.1) | 189,412 (42.4) |
*The analysis comprised data from 26 states: Arizona, Arkansas, California, Colorado, Connecticut, Illinois, Iowa, Kentucky, Maryland, Massachusetts, Mississippi, Missouri, Montana, Nevada, New Hampshire, New Jersey, New York, North Carolina, Oregon, Pennsylvania, Rhode Island, Utah, Vermont, Virginia, Washington, Wisconsin. AHA ID, American Hospital Association identifier.