Distribution of Physician Sample and Atopyand Allergen Sensitivity by Region
| Total | NE Region | South | Midwest | West | |
|---|---|---|---|---|---|
| Allergists (no.) | 4 | 1 | 0 | 3 | 0 |
| Family physicians (no.) | 5 | 2 | 1 | 1 | 1 |
| Pulmonologist (no.) | 4 | 0 | 2 | 1 | 1 |
| Number of patients | 218 | 56 | 46 | 86 | 30 |
| Overall atopic sensitivity (%)* | 68 | 77 | 61 | 67 | 67 |
| Elevated total IgE (%) | 48 | 59 | 39 | 47 | 43 |
| Sensitivity to ≥1 specific allergen (%)† | 59 | 68 | 48 | 57 | 63 |
| Normal total IgE and ≥1 specific allergen sensitivity (%) | 21 | 44 | 39 | 36 | 41 |
| Elevated IgE by allergen sensitivity (%) | |||||
| Cat dander | 32 | 43 | 24 | 27 | 40 |
| Dust mite‡ | 28 | 25 | 30 | 31 | 20 |
| Common ragweed | 27 | 43 | 22 | 21 | 20 |
| Bermuda grass | 22 | 30 | 20 | 17 | 20 |
| Mold§ | 17 | 18 | 13 | 16 | 23 |
| Birch | 17 | 25 | 13 | 12 | 20 |
| Cockroach | 17 | 25 | 11 | 14 | 17 |
| Rye grass | 11 | 12 | 9 | 11 | 17 |
* Sensitivity to one or more specific allergens and/or total serum IgE >114 kU/L,as determined by invitro serological testing.
† Determined by invitro serological testing.
‡ Dermatophagoides farinae.
§ Alternaria alternata.