Table 3 Peanut extract and allergen-specific IgE in challenge confirmed peanut allergic and peanut tolerant children
FEIA | Peanut tolerant (N = 45) | Peanut allergic (N = 65) | P value | ||
|---|---|---|---|---|---|
N (%) | Median (range) | N (%) | Median (range) | ||
Peanut extract | 34 (76) | 1.7 (0–76.50) | 63 (97) | 8.1 (2.79 to > 100) | < 0.01 |
|  | Peanut tolerant (N = 49) | Peanut allergic (N = 64) | P value | ||
|---|---|---|---|---|---|
N (%) | Median (range) | N (%) | Median (range) | ||
Ara h 2 | 13 (27) | 0.09 (0–4.40) | 59 (92) | 3.05 (0.03–462) | < 0.01 |
ISAC | Peanut tolerant (N = 51) | Peanut allergic (N = 66) | P value | ||
|---|---|---|---|---|---|
N (%) | Median (range) | N (%) | Median (range) | ||
Ara h 1 | 5 (10) | 0.00 (0–2.80) | 32 (49) | 0.00 (0–67.49) | < 0.01 |
Ara h 2 | 14 (27) | 0.00 (0–7.43) | 62 (94) | 3.71 (0–180) | < 0.01 |
Ara h 3 | 3 (6) | 0.00 (0–0.69) | 18 (27) | 0.00 (0–12.49) | < 0.01 |
Ara h 6 | 14 (27) | 0.00 (0–8.13) | 61 (92) | 3.64 (0–102.39) | < 0.01 |
Ara h 8 | 21 (41) | 0.00 (0–136.61) | 25 (38) | 0.00 (0–23.89) | NS |
Ara h 9 | 4 (8) | 0.00 (0–8.62) | 4 (6) | 0.00 (0–2.69) | NS |
Storage proteins | |||||
 None | 30 (59) |  | 2 (3) |  | < 0.01 |
 1 | 10 (20) |  | 4 (6) |  | 0.03 |
  ≥ 2 | 11 (22) |  | 60 (91) |  | < 0.01 |