From: Oral food challenge to wheat: a near-fatal anaphylaxis and review of 93 food challenges in children
 | All OFC | OFC positive | Multisystemic reactions | Epinephrine | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Wheat (93) | Other (1094) | p | Wheat (39) | Other (489) | p | Wheat (28) | Other (330) | p | Wheat (17) | Other (135) | p | |
Age (mean ± SE) | 3.6 ± 2.4 | 4.9 ± 0.1 | <1X10 -4 | 3.4 ± 0.3 | 5.1 ± 0.1 | <1X10 -4 | 3.5 ± 0.33 | 5.2 ± 0.33 | < 1X10 -3 | 3.6 ± 0.5 | 5.6 ± 2.4 | < 1X10 -3 |
Sex (female) (5) | 28 (30%) | 330 (30%) | ns | 11 (29%) | 148 (30%) | ns | 6 (21%) | 88 (26%) | ns | 2 (12%) | 32 (24%) | ns |
Wheal mm (mean ± SE) | 5.1 ± 2.6 | 5.9 ± 0.1 | <0 . 05 | 5.5 ± 0.5 | 7.6 ± 0.2 | < 1X10 -3 | 5.5 ± 0.54 | 7.8 ± 0.21 | < 1X10 -3 | 5.7 ± 0.8 | 8.1 ± 0.4 | < 0 . 05 |
Flare mm (mean ± SE) | 12.1 ± 15.8 | 16.1 ± 0.3 | < 1X10 -3 | 12.5 ± 0.9 | 19.4 ± 0.4 | < 1X10 -4 | 12.5 ± 1.01 | 20.1 ± 0.46 | < 1X10 -4 | 12.6 ± 1.4 | 21.1 ± 0.8 | < 1X10 -3 |
sIgE (KUI/L) (mean ± SE) | 19.9 ± 22.8 | 6.5 ± 0.6 | < 1X10 -4 | 29.7 ± 10.5 | 10.1 ± 1.1 | < 1X10 -3 | 17.6 ± 9.1 | 10.5 ± 1.3 | ns | 46.1 ± 5.1 | 12.7 ± 2.6 | ns |
Prior Ingestion | 57 (61%) | 800 (73%) | < 0 . 05 | 28 (72%) | 361 (74%) | ns | 19 (68%) | 241 (73%) | ns | 11 (65%) | 91 (67%) | ns |
Prior Reaction | 50 (54%) | 712 (65%) | < 0 . 05 | 25 (64%) | 340 (69%) | ns | 16 (57%) | 223 (67%) | ns | 11 (65%) | 81 (60%) | ns |
Prior Reaction not skin | 42 (45%) | 527 (48%) | ns | 22 (56%) | 269 (55%) | ns | 14 (50%) | 197 (60%) | ns | 12 (71%) | 81 (60%) | ns |
Asthma History | 38 (41%) | 581 (53%) | < 0 . 05 | 21 (54%) | 292 (60%) | ns | 17 (61%) | 204 (62%) | ns | 10 (58%) | 75 (55%) | ns |
Eczema History | 48 (52%) | 523 (48%) | ns | 23 (59%) | 238 (49%) | ns | 17 (61%) | 157 (47%) | < 0 . 05 | 10 (58%) | 70 (51%) | ns |
Time of Prior Exposure ≥1 year | 34 (36%) | 596 (54%) | < 1`X10 -2 | 20 (52%) | 311 (63%) | ns | 16 (57%) | 202 (61%) | ns | 9 (53%) | 86 (63%) | ns |