Table 1. Patient characteristics.
| Characteristics | Pediatric (≤ 18 years, n = 175) | Adult (> 18 years, n = 1,605) | P value | |
|---|---|---|---|---|
| Age group (yr) | < 0.001 | |||
| < 7 | 56 (32.0) | - | ||
| 7–12 | 54 (30.9) | - | ||
| 13–18 | 65 (37.1) | - | ||
| 19–65 | - | 1,348 (84.0) | ||
| > 65 | - | 257 (16.0) | ||
| Sex | 0.079 | |||
| Male | 108 (61.7) | 874 (54.5) | ||
| Female | 67 (38.3) | 731 (45.5) | ||
| History | ||||
| Anaphylaxis | 6 (3.4) | 96 (6.0) | 0.227 | |
| Cardiovascular disease | 10 (5.7) | 682 (42.5) | < 0.001 | |
| Hospital setting (urban or suburban) | 159 (90.9) | 1,348 (84.0) | 0.022 | |
| Income level | 0.505 | |||
| 0–2 | 25 (14.3) | 268 (16.7) | ||
| 3–4 | 23 (13.1) | 276 (17.2) | ||
| 5–6 | 36 (20.6) | 285 (17.8) | ||
| 7–8 | 40 (22.9) | 354 (22.1) | ||
| 9–10 | 51 (29.1) | 422 (26.3) | ||
| Hospital size | 0.001 | |||
| < 100 | 1 (0.6) | 29 (1.8) | ||
| 100–299 | 41 (23.4) | 502 (31.3) | ||
| 300–599 | 31 (17.7) | 414 (25.8) | ||
| 600–900 | 48 (27.4) | 310 (19.3) | ||
| > 900 | 54 (30.9) | 350 (21.8) | ||
| Medications | ||||
| Epinephrine | 42 (24.0) | 592 (36.9) | 0.001 | |
| Antihistamine | 159 (90.9) | 1,453 (90.5) | 0.996 | |
| Systemic steroid | 12 (6.9) | 197 (12.3) | 0.047 | |
| Disposition | ||||
| Admission | 34 (19.4) | 350 (21.8) | 0.529 | |
| ICU | 0 (0.0) | 86 (5.4) | 0.003 | |
Values are presented as number (%).
ICU, intensive care unit.