TABLE 1.
Overall (N = 20 703) | No Systemic Corticosteroids (n = 13 469) | Systemic Corticosteroids (n = 7234) | P | |
---|---|---|---|---|
Male gender, n | 10 117 (48.9) | 6613 (49.1) | 3504 (48.4) | .365 |
Age category, n | <.001 | |||
1–5 y | 12 939 (62.5) | 8182 (60.8) | 4757 (65.8) | |
6–11 y | 4831 (23.3) | 3063 (22.7) | 1768 (24.4) | |
12–18 y | 2933 (14.2) | 2224 (16.5) | 709 (9.8) | |
Race, n | <.001 | |||
Black | 5082 (24.6) | 2868 (21.3) | 2214 (30.6) | |
White | 12 891 (62.3) | 8832 (65.6) | 4059 (56.1) | |
Other | 1996 (9.6) | 1347 (10.0) | 649 (9.0) | |
Missing | 734 (3.6) | 422 (3.1) | 312 (4.3) | |
Hospitalization characteristics, n (%) | ||||
During viral respiratory seasona | 13 256 (64.0) | 8706 (64.6) | 4550 (62.9) | .013 |
Previous asthma hospitalizationb | 2778 (13.4) | 1264 (9.4) | 1514 (20.9) | <.001 |
ICU admission | 3392 (16.4) | 1994 (14.8) | 1398 (19.3) | <.001 |
Includes admission during the months of October through March.
Asthma-related ICD-9 discharge codes: 493.0–493.92.