Chest CT diagnostic value
With RT-PCR as the reference for the 349 patients included, sensitivity was 93,6 % [95% CI 89-98,2], specificity was 85,8 % [81,4-90,2], PPV was 75 % [67,7-82,3], NPV was 96,7 % [94,3-99,1], with a prevalence of 31,2 %.