From: Recognition of phrenic paralysis as atypical presentation during CT chest examination of COVID-19 infection and its correlation with CT severity scoring: a local experience during pandemic era
CT severity score
Number of cases
1–5
393 (25.7%)
6–10
297 (19.4%)
11–15
684 (44.8%)
16–20
112 (7.4%)
21–25
41 (2.7%)