Table 1. Borreliosis stage and elevated specific IgE antibodies against alpha-gal with a threshold of > 0.1 kU/L; population at high risk for tick bites divided into forest workers from 1988 and forest service employees, hunters, and members of hunting societies, and patients (acute borreliosis: erythema migrans; chronic borreliosis: acrodermatitis chronica atrophicans).
| Population | Number of patients |
0,1 – 0.69
CAP 0 – 1 n |
0.70 – 3.49 CAP 2
n |
3.50 – 17.49
CAP 3 n |
17,50 – 49,99
CAP 4 n |
50.0 – 99.99
CAP 5 n |
> 100 kU/L
CAP 6 n |
n
(% of total) |
|---|---|---|---|---|---|---|---|---|
| Acute borreliosis | 365 | 28 | 12 | 2 | 0 | 0 | 0 | 42 (11.5%) |
| Chronic borreliosis | 120 | 13 | 2 | 4 | 0 | 0 | 0 | 19 (15.8%) |
| Total: 61 (12.6%) | ||||||||
| Forest workers 1988 | 56 | 5 | 3 | 3 | 0 | 0 | 1 | 12 (21.4%) |
| Forest service employees 2016 | 176 | 23 | 8 | 7 | 2 | 1 | 0 | 41 (23.3%) |
| Total 53 (22.8%) | ||||||||
| Control group | 200 | 16 | 2 | 0 | 0 | 0 | 0 | Total 18 (9%) |
sIgE = specific IgE.