Clinical Characterization of Patients with Chronic Spontaneous Urticaria according to Anti-TPO IgE Levels

Figure 4

Comparison of NSAID self-report and challenge test results. A challenge test with the suspected NSAIDs was performed in patients who self-reported drug reaction. Each patient was challenged with the NSAIDs (≥1) that he/she had suspected of exacerbating the urticaria. N/A: not applicable; ASA: acetylsalicylic acid.