Hypersensitivity* Cross-reactivity rate, n, (%)
Any PPI 117/190, (61.6)
Omeprazole 60/69, (87.0)
Lansoprazole 28/79, (35.4)
Pantoprazole 18/26, (69.2)
Rabeprazole 1/4, (25.0)
Esomeprazole 10/12, (83.3)