Gastrointestinal manifestation as clinical predictor of severe COVID-19: A retrospective experience and literature review of COVID-19 in Association of Southeast Asian Nations (ASEAN).

Gastrointestinal manifestations in COVID-19 patients are common symptoms and can occur anytime during the disease course. Patients presenting with only gastrointestinal symptoms should raise clinical suspicion for COVID-19 in areas with high disease incidence. Clinically severe COVID-19 was associated with comorbidities and diarrhea.