Table 1 Demographic characteristics of the participants
Characteristics | Â | Patients N (%) | 95Â % (CI) |
|---|---|---|---|
Age | Range (median) | n = 689 |  |
|  | 15–73 (36) years |  |  |
Gender | |||
 F | 302 (44) | 40.17–47.56 | |
 M | 387 (56) | 52.44–59.83 | |
Sensitization to food allergens | 270 (39) | 35.61–42.89 | |
Animal proteins | |||
 Milk | 138 (20) | 17.2–23.18 | |
 Beef | 109 (16) | 13.29–18.73 | |
 Chicken | 110 (16) | 13.42–18.89 | |
 Egg | 148 (21) | 18.58–24.7 | |
 Mutton | 107 (16) | 13.02–18.42 | |
 Fish | 107 (16) | 13.02–18.42 | |
Plant foods | |||
 Banana | 49 (7) | 5.42–9.28 | |
 Lentils | 106 (15) | 12.88–18.27 | |
 Peanut | 79 (12) | 9.33–14.10 | |
 Soya | 83 (12) | 9.83–14.69 | |
 Rice | 86 (13) | 10.22–15.16 | |
 Corn | 110 (16) | 13.42–18.89 | |
 Wheat | 156 (3) | 19.67–25.91 | |
Other allergens | |||
 HDM, pollen, dust etc. | 419 (61) | 57.11–64.39 | |
Symptoms | |||
 Respiratory | 522 (76) | 72.42–78.81 | |
 Cutaneous | 250 (36) | 32.78–39.94 | |
OFC reaction | n = 101 |  | |
 Early reaction (within 2 h) | 50 (50) | 39.95–59.09 | |
 Late reaction (2–48 h) | 12 (12) | 6.93–19.63 | |
 Negative (after 48 h) | 39 (39) | 29.7–48.36 | |
Treatment | |||
 Yes | 265 (38) | 34.90–42.51 | |
 No | 424 (62) | 57.85–65.10 | |