|  | Ascaris sensitization |  | |
---|---|---|---|---|
Variables | All patients | Yes (n = 195) | No (n = 118) | p-value |
Gender (male) | 28.1 (23.0- 33.3) | 36.9 (29.9 - 44.0) | 13.6 (7.0 - 20.2) | <0.0001 |
Age (mean ± SD) | 32.9 ± 16.9 | 35.96 ± 15.7 | 31.1 ± 17.3 | 0.01 |
Socio-economical strata* | Â | Â | Â | Â |
1 | 62.3 (56.8 - 67.8) | 67.7 (60.9-74.5) | 53.4. (44.0-62.8) | Â |
2 | 31.6 (26.3 - 36.9) | 29.2 (22.6-35.9) | 35.6. (26.5-44.7) | <0.01 |
3 | 6.1(3.3 - 8.9) | 3.1 (0.4-5.8) | 11.0 (4.9-17.1) | Â |
Smoking habit | 5.1 (2.5-7.7) | 3.4 (0.6-5.2) | 6.2 (4.3 - 16.1) | 0.42 |
Co-habitation with a smoker | 26.5 (21.5-31-6) | 30.8 (24.0-37.5) | 19.5 (11.9 – 27.1) | 0.02 |
Current Ascaris infection | 3.8 (1.7 – 6.0) | 6.2 (2.5-9.8) | 0 (0) | 0.04 |
Antecedent of worm expulsion | 62.3 (56.8 – 67.8) | 66.7 (59.8 – 73.5) | 55.1 (45.7 – 64.5) | 0.04 |
Allergic rhinitis | 85.6 (81.6 - 89.7) | 87.2 (82.2 - 92.1) | 83.1 (75.9 - 90.2) | 0.31 |
Atopy (>1 positive SPT) | 79.9 (74.4 – 85.4) | 84.2 (77.8 – 90.6) | 72.9 (62.9 – 83.0) | 0.04 |
Sensitization to B. tropicalis | 67.4 (62.1 72.8) | 84.6 (79.3 - 90.0) | 39.0 (29.8 - 48.2) | <0.0001 |
Sensitization to D. pteronyssinus | 60.7 (55.1 - 66.3) | 75.4 (69.1 – 81.7) | 36.4 (27.3-45.6) | <0.0001 |
Total IgE ‡†| 349.436 ± 1177.4 | 585.4 ± 1412.1 | 149.0 ± 201.3 | <0.0001 |
Specific IgE to B. tropicalis †| 2.37 ± 30.9 | 11.98 ± 34.99 | 0.13 ± 15.52 | <0.0001 |
Specific IgE to D. pteronyssinus †| 0.94 ± 34.6 | 4.04 ± 39.27 | 0.09 ± 21.12 | <0.0001 |