Table 1. Demographics and clinical characteristics of OFC-positive and OFC-negative patients.
| Positive (n = 24; 67%) | Negative (n = 12; 33%) | |
|---|---|---|
| Age (mean, range) | 40 years (± 1 2), 19 – 61 | 37 years (± 15), 20 – 61 |
| Sex | Female: n = 12 (50%) Male: n = 12 (50%) |
Female: n = 6 (50%) Male: n = 6 (50%) |
| Wheat allergy status | Suspected: n = 2 (8%) Physician confirmed: n = 22 (92%) |
Suspected: n = 4 (33%) Physician confirmed: n = 8 (67%) |
| Self-reported systemic reaction to wheat | No: n =2 (8%) Yes: n = 22 (92%) |
No: n = 5 (42%) Yes: n = 7 (58%) |
| Cofactor-dependent wheat allergy | No: n = 7 (30%) Yes: n = 16 (70%) |
No: n = 7 (58%) Yes: n = 5 (42%) |
| Sampson-Score pre OFC (1 – 5) Muraro-Score pre OFC (1 – 3) |
Median: 4 (range: 1 – 4) Median: 3 (range: 1 – 3) |
Median: 3.5 (range: 3 – 4) Median: 3 (range: 3 – 3) |
| Life years with diagnosis | Median: 2.49 years Range: 0.05 – 11.03 years |
Median: 4.05 years Range: 0.19 – 20.76 years |
| Atopic comorbidities | Allergic rhinoconjunctivitis (n = 6), asthma (n = 1), eczema (n = 3) | Allergic rhinoconjunctivitis (n = 8), asthma (n = 0), eczema (n = 0) |
| Elicitors of allergic rhinoconjunctivitis | Grass pollen (n = 6), weed pollen (n = 5), animals (n = 1), house dust mite (n = 1), mold (n = 1) | Grass pollen (n = 7), weed pollen (n =7), animals (n = 5), house dust mite (n = 4), mold (n = 2) |
| Avoidance of other cereals and cultivars than common wheat | Spelt (n = 9), rye (n = 7), emmer (n = 3), einkorn (n = 1), oat (n = 2), barley (n = 2) | All cereal (n = 3), spelt (n = 2), rye (n = 2) |
OFC = oral food challenge.