id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-354472-zixnvehs	Esposito, A.	Why is chest CT important for early diagnosis of COVID-19? Prevalence matters	2020-04-01		.txt	text/plain	2580	151	48	In our routine daily practice in Lombardy region, the epicenters of COVID-19 epidemics in Italy, CT imaging resulted pervasively altered in COVID-19 patients, even in the early stages of the disease, exactly as widely reported from the recent COVID-19 outbreak in China 6, [9] [10] [11] [12] [13] [14] [15] As a matter of fact, chest CT has been included among the diagnostic criteria during the most rampant phase of epidemic spreading in Wuhan 16 . A more informative approach to measure the effective performance of a diagnostic test used to screen a given population, e.g. patients with clinical suspicion of COVID-19, should measure the fraction of true positive and true negative patients correctly identified among all the positive and negative results, hence the Positive Predictive Value (PPV) and the Negative Predictive Value (NPV). Correlation of Chest CT and RT-PCR Testing in Coronavirus Disease 2019 (COVID-19) in China: A Report of 1014 Cases CT Features of Coronavirus Disease 2019 (COVID-19) Pneumonia in 62 Patients in Wuhan, China	./cache/cord-354472-zixnvehs.txt	./txt/cord-354472-zixnvehs.txt