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. 2011 Dec 1;2012:580873. doi: 10.1155/2012/580873

Table 3.

Skin symptoms and time to onset of the NSAID-induced hypersensitivity.

Group of patients Time to onset* NSAID-induced skin symptoms
Median <6 H AO AO + Urticaria Urticaria
Grade I n = 38 8 H 14 (37%) 18 (47%) 9 (24%) 11 (29%)
Grade II n = 22 1 H 21 (95%) 12 (55%) 7 (32%) 3 (14%)

Total n = 60 4.5 H 35 (58%) 30 (50%) 16 (27%) 14 (23%)

*The time to onset of symptoms after NSAID intake was shorter in patients with grade II hypersensitivity than in patients with grade I (P < 0.0001).