id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-304010-n4gxxl5i	Sung, Ho Kyung	Clinical Course and Outcomes of 3,060 Patients with Coronavirus Disease 2019 in Korea, January–May 2020	2020-07-28		.txt	text/plain	3421	179	56	To measure the clinical progression and recovery of a patient with COVID-19, we modified an ordinal scale and defined the severity scores as follows 9 : 1) no limitation of daily activities; 2) limitation of daily activities but no need for supplemental oxygen therapy; 3) need for supplemental oxygen therapy via nasal cannula; 4) need for supplemental oxygen therapy via facial mask; 5) need for high-flow supplemental oxygen therapy or noninvasive mechanical ventilation; 6) need for invasive mechanical ventilation; 7) multi-organ failure or the need for extracorporeal membrane oxygenation (ECMO) therapy; 8) death. Patients with no data on illness onset (350, 11.4%), disease severity score on admission day (279, 9.1%), or age (2, 0.1%) were excluded from this analysis; b 1, no limitation of daily activities; 2, limitation of daily activities but no need for supplemental oxygen therapy; 3, need for supplemental oxygen therapy via nasal cannula; 4, need for supplemental oxygen therapy via facial mask; 5, need for high-flow supplemental oxygen therapy or non-invasive mechanical ventilation; 6, need for invasive mechanical ventilation; 7, multi-organ failure or need for ECMO therapy.	./cache/cord-304010-n4gxxl5i.txt	./txt/cord-304010-n4gxxl5i.txt