id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-290372-vv47wnqk	Zhang, Yufang	Association of digestive symptoms with severity and mortality of COVID-19: A protocol for systematic review and meta-analysis	2020-10-23		.txt	text/plain	2144	138	46	title: Association of digestive symptoms with severity and mortality of COVID-19: A protocol for systematic review and meta-analysis METHODS: We will search PubMed, Embase, Web of Science, and the Cochrane Central Register of Controlled Trials up to September, 2020, to identify studies that compared the prevalence of at least one specific digestive symptom between severe and non-severe COVID-19 patients or between non-survivors and survivors. CONCLUSION: Our meta-analysis will comprehensively evaluate the association between different digestive symptoms and the severity and mortality of patients infected with COVID-19. We will search PubMed, Embase, Web of Science, and the Cochrane Central Register of Controlled Trials (CENTRAL) to identify clinical studies using search terms "coronavirus disease-19", "coronavirus disease 2019", "COVID-19", "2019-nCoV", "novel corona virus", "novel coronavirus", "new coronavirus", "nCoV-2019", "novel coronavirus pneumonia", "2019 novel coronavirus", "severe acute respiratory syndrome coronavirus 2", "SARS-CoV-2", "clinical characteristic", "clinical feature", "risk factor", "prognosis", "nausea", "vomiting", "diarrhea", "digestive symptom", and "gastrointestinal symptom". Liver injury is associated with severe Coronavirus disease 2019 (COVID-19) infection: a systematic review and meta-analysis of retrospective studies	./cache/cord-290372-vv47wnqk.txt	./txt/cord-290372-vv47wnqk.txt