Table 1.
Characteristics of the subjects (epinephrine injected group vs. non-injected group) (n = 107).
| Epinephrine Injected (n = 76) | Epinephrine not Injected (n = 31) | Total (n = 107) | p-Value | ||||
|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | ||
| Sex (boy, n,%) | 42 | 55.30% | 21 | 67.70% | 63 | 58.90% | 0.234 |
| Age (median, yr) † | 3.5 (1.0–7.75) | 5.0 (3.0–10.0) | 4.0 (1.0–8.0) | ||||
| Age group | 0.212 | ||||||
| <2 yr | 24 | 31.60% | 5 | 16.10% | 29 | 27.10% | |
| ≥2, <6 yr | 26 | 34.20% | 11 | 35.50% | 37 | 34.60% | |
| ≥6 yr | 26 | 34.20% | 15 | 48.40% | 41 | 38.30% | |
| All allergic histories | 57 | 75% | 20 | 64.5 | 77 | 72% | 0.273 |
| Anaphylaxis | 8 | 10.5 | 2 | 6.5 | 10 | 9.3 | 0.511 |
| Bronchial asthma | 16 | 21.1 | 3 | 9.7 | 19 | 17.8 | 0.162 |
| Drug allergy | 4 | 5.3 | 1 | 3.2 | 5 | 4.7 | 0.651 |
| Food allergy | 31 | 40.8 | 11 | 35.5 | 42 | 39.3 | 0.610 |
| Allergic rhinitis | 21 | 27.6 | 6 | 19.4 | 27 | 25.2 | 0.371 |
| Atopic dermatitis | 27 | 35.5 | 7 | 22.6 | 34 | 31.8 | 0.192 |
| Familial allergy history | 26 | 34.2 | 10 | 32.3 | 36 | 33.6 | 0.846 |
| Arrival time to hospital (median, min) † | 50.0 (29.25–104.75) (n = 76) | 94 (42.5–146.5), (n = 29) | <0.001 * | ||||
| Eosinophil (median, %) | 1.0 (0.6–2.1), (n = 55) | 1.0 (0.65–3.65), (n = 21) | 1.0 (0.625–2.25), (n = 76) | 0.378 | |||
| Total IgE (U/mL) | 146 (42.5–420.5), (n = 54) | 121 (62.5–304.0), (n = 21) | 132.9 (47.9–380), (n = 75) | 0.648 | |||
* indicates a p-value of < 0.05, and † indicates the interquartile range.