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Table 3 Oral food challenge (OFC) test results

From: Prevalence of sensitization to food allergens and challenge proven food allergy in patients visiting allergy centers in Rawalpindi and Islamabad, Pakistan

Total participants in OFC (n = 101)

Skin Prick Test (SPT) results N (%)

Early reaction N (%)

Late reaction N (%)

No reaction (OFC negative) N (%)

Positive

65 (64.3)

50 (49.5)

10 (9.9)

5 (4.9)

Negative

36 (35.6)

Nil

2 (1.9)

34 (33.6)

Total

 

50 (49.5)

12 (11.8)

39 (38.6)