Fig. 1From: Physicians’ knowledge, attitude, and prescribing behavior regarding stress ulcer prophylaxis in China: a multi-center studyKnowledge about SUP risk factors. aMechanical Ventilation > 48 h, bCoagulopathy: Platelets < 50 × 109/L, international normalized ratio > 1.5, or prothrombin time > 20 s., cMajor surgery > 3 h; dhigh-dose corticosteroids:50 mg/d of steroids or equivalent methylprednisoloneBack to article page