Table 1 Demographic characteristics and allergy markers of the studied children, according to asthma status
Total population | Non-asthmatic | Asthmatic | p-value | |
|---|---|---|---|---|
N (%) 930 (77.30) | N (%) 273 (22.70) | |||
Sex | 1203 | |||
Male | 655 | 501 (53.9) | 154 (56.4) | 0.233 |
Female | 548 | 429 (46.1) | 119 (43.6) | 0.162 |
Age group (years) | 1203 | |||
≤ 5 | 438 | 342 (36.8) | 96 (21.5) | 0.545 |
6–7 | 419 | 316 (40) | 103 (24.1) | 0.466 |
≥ 8 | 346 | 272 (76.6) | 74 (20.8) | 0.419 |
SIgE seropositivity (≥ 0.70 kU/L) | 1246 | |||
At least one allergen | 458 | 325 (34.9) | 133 (48.7) | < 0.0001* |
D. pteronyssinus | 270 | 179 (19.2) | 91 (33.3) | < 0.0001* |
B. tropicalis | 416 | 288 (40) | 128 (46.9) | < 0.0001* |
B. germanica | 164 | 117 (12.6) | 47 (17.2) | < 0.0001* |
P. americana | 112 | 81 (8.7) | 31 (11.4) | < 0.0001* |
Skin prick test positivity (≥ 3 mm) | 1.103 | |||
For at least one allergen | 372 | 272 (29.2) | 100 (36.6) | < 0.0001* |
D. pteronyssinus | 193 | 131 (14.1) | 62 (22.7) | < 0.0001* |
B. tropicalis | 268 | 192 (20.6) | 76 (27.8) | < 0.0001* |
B. germanica | 91 | 70 (7.5) | 31 (11.3) | < 0.0001* |
Helminthic infections | 1.119 | 184 (19.8) | 90 (33) | < 0.0001* |