Table 5 Allergenic sensitization (SPT positivity or Specific IgE) and blood eosinophilic count
Cluster 1 Early onset atopic (N = 690) | Cluster 2 Obese (N = 153) | Cluster 3 Late-onset (N = 299) | Cluster 4 Eosinophilic (N = 143) | Cluster 5 Aspirin-sensitivity (N = 139) | Patients with allergic tests N = 1158 | p | ||||
|---|---|---|---|---|---|---|---|---|---|---|
Allergic sensitization | Yes | 547 (91%) | 81 (65.9%) | 33 (16.9%) | 67 (56.8%) | 83 (68.6%) | 811 (70%) | < 0.0001 | ||
House dust mite | Yes | 432 (71.9%) | 66 (53.7%) | 17 (8.7%) | 49 (41.5%) | 66 (54.5%) | 630 (54.4%) | < 0.0001 | ||
Pollens | Yes | 317 (52.7%) | 50 (40.7%) | 13 (6.7%) | 31 (26.3%) | 52 (43%) | 463 (40%) | < 0.0001 | ||
Pets | Yes | 252 (41.9%) | 34 (27.6%) | 7 (3.6%) | 25 (21.2%) | 41 (33.9%) | 359 (31%) | < 0.0001 | ||
Molds | Yes | 98 (16.3%) | 14 (11.4%) | 7 (3.6%) | 21 (17.8%) | 19 (15.7%) | 159(13.7%) | < 0.001 | ||
Cockroaches | Yes | 37 (6.2%) | 6 (4.9%) | 2 (1%) | 6 (5.1%) | 4 (3.3%) | 55 (4.7%) | 0.06 | ||
Blood eosinophil count (n = 1075) | Means (Sd) | 376.7 (± 354.2) | 456.6 (± 613.9) | 407.4 (± 425.5) | 706.9 (± 691) | 447.6 (± 399.4) | 436 (± 465.6) | < 0.0001 | ||
Min–Max | 0–3700 | 0–3940 | 0–2340 | 0–5000 | 0–2200 | 0–5000 | < 0.0001 | |||
Distribution of blood eosinophil count | < 150 | 112 (22.1%) | 23 (18.7%) | 66 (30.8%) | 12 (10.1%) | 23 (20.4%) | 236 (22%) | < 0.0001 | ||
[150–300] | 142 (28.1%) | 33 (26.8%) | 48 (22.4%) | 16 (13.4%) | 28 (24.8%) | 267 (24.8%) | ||||
[300–500] | 133 (26.3%) | 35 (28.5%) | 36 (16.8%) | 26 (21.8%) | 21 (18.6%) | 251 (23.3%) | ||||
[500–1000] | 94 (18.6%) | 23 (18.7%) | 46 (21.5%) | 39 (32.8%) | 32 (28.3%) | 234 (21.8%) | ||||
[1000–1500] | 18 (3.6%) | 2 (1.6%) | 11 (5.1%) | 20 (16.8%) | 4 (3.5%) | 55 (5.1%) | ||||
> = 1500 | 7 (1.4%) | 7 (5.7%) | 7 (3.3%) | 6 (5%) | 5 (4.4%) | |||||