Table 2.
The distribution of trigger factors by attack locations
| Attacks with known trigger factor | Subcutaneous episodes | Abdominal episodes | Upper airway episodes | |
|---|---|---|---|---|
| Mental stress |
21 |
15 |
27 |
22 |
| Menstruation |
18 |
11 |
17 |
26 |
| Physical exertion |
17 |
24 |
13 |
- |
| Weather changes |
15 |
14 |
15 |
8 |
| Infection |
11 |
10 |
12 |
26 |
| Mechanical trauma |
11 |
17 |
1 |
7 |
| Fatigue |
6 |
4 |
8 |
8 |
| Dental procedures |
- |
2 |
- |
- |
| Foodstuffs |
- |
2 |
6 |
- |
| Other | 3 | 1 | 1 | 3 |
The values presented in the table are percentages (%).