From: Dual-energy CT angiography reveals high prevalence of perfusion defects unrelated to pulmonary embolism in COVID-19 lesions
Pneumonia type
Lesion types
GGO
CS
OP
CP
TIB
Perfusion defects (n/total, %)
COVID-19
3/15 (20%)
9/10 (90%)
18/22 (82%)
10/20 (50%)
0/0 (0%)
Non-COVID-19
2/8 (25%)
19/67 (28%)
0/1 (0%)
0/2 (0%)