Table 1.
Clinical characteristics of anaphylaxis and comparison of mild to moderate with severe anaphylaxis in patients who visited the pediatric emergency department (n = 107).
| Total (%) | Mild to moderate (n = 80) | Severe (n = 27) | P value | |
|---|---|---|---|---|
| Sex (male) (%) | 63 (58.9) | 49 (61.2) | 14 (51.9) | 0.391 |
| Age (median, years)† | 4.0 (1.0–8.0) | 4.0 (1.0–8.0) | 4.0 (1.0–9.0) | 0.089 |
| History of allergic disease (%) | 70 (66.7) | 53 (66.2) | 17 (63.0) | 0.756 |
| Anaphylaxis | 6 (5.6) | 2 (2.5) | 4 (14.8) | 0.034∗ |
| Asthma | 19 (17.8) | 18 (22.5) | 1 (3.7) | 0.038∗ |
| Urticaria | 2 (2.0) | 1 (1.2) | 1 (3.7) | 0.443 |
| Drug allergy | 5 (4.7) | 3 (3.8) | 2 (7.4) | 0.598 |
| Food allergy | 42 (39.3) | 31 (38.8) | 11 (40.7) | 1.000 |
| Allergic rhinitis | 27 (25.2) | 20 (25.0) | 7 (25.9) | 1.000 |
| Atopic dermatitis | 34 (31.8) | 26 (32.5) | 8 (29.6) | 1.000 |
| Oral allergy syndrome | 1 (0.9) | 1 (1.2) | 0 (0.0) | 1.000 |
| Familial history of allergic disease (%) | 36 (33.6) | 27 (33.8) | 9 (33.3) | 0.968 |
| Symptoms and signs | ||||
| Headache | 2 (1.9) | 1 (1.2) | 1 (3.7) | 0.443 |
| Dizziness | 1 (0.9) | 0 (0.0) | 1 (3.7) | 0.252 |
| Dyspnea | 73 (68.2) | 58 (72.5) | 15 (55.6) | 0.150 |
| Wheeze | 34 (31.8) | 26 (32.5) | 8 (29.6) | 1.000 |
| Throat tightness | 15 (14.0) | 14 (17.5) | 1 (3.7) | 0.108 |
| Rash | 92 (86.0) | 68 (85.0) | 24 (88.9) | 0.756 |
| Facial edema | 68 (63.6) | 52 (65.0) | 16 (59.3) | 0.647 |
| Abdominal pain | 9 (8.4) | 6 (7.5) | 3 (11.1) | 0.689 |
| Nausea | 3 (2.8) | 3 (3.8) | 0 (0.0) | 0.570 |
| Vomiting | 28 (26.2) | 20 (25.0) | 8 (29.6) | 0.622 |
∗ indicates a P value of <0.05, and † indicates interquartile range.