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COVID-19 pandemic has become a major public health problem globally. Fever is the most common symptom. Besides fever, GI symptoms has also been reported in patients with COVID-19, such as diarrhoea, nausea, vomiting and abdominal pain and affect up to 28% of patients.1–5 Several previous studies assessed the association between GI symptoms and disease severity and yielded inconsistent results.1 2 6 In this retrospective cohort study, we explored whether GI symptoms and fever increased the risk of severe illness or death in patients with COVID-19.
We analysed 29 393 laboratory-confirmed COVID-19 patients diagnosed before 21 March 2020 in cities outside of Wuhan in mainland China. The study was supported by the National Health Commission of China. The final data of follow-up were 17 April 2020. We excluded clinically diagnosed cases who were not laboratory confirmed and patients who were not discharged from hospital by 17 April 2020. The diagnosis of laboratory-confirmed COVID-19 case, severe cases (including critical cases) and death was conducted by local healthcare workers according to the national diagnosis and treatment protocol for COVID-19 released by the National Health Commission.7 The definition of having …
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