Lung Perfusion Scintigraphy Early After COVID-19: A Single-Center Retrospective Study

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TABLE 1

Distribution of Various Types of Lung Perfusion Abnormalities

Type of abnormality	Moderate COVID-19 (n = 14)	Severe COVID-19 (n = 40)	Total (n = 54)
Perfusion defects (any)	14 (100)	33 (82.6)	47 (87)
Mismatched perfusion defects	7 (50)	16 (40)	23 (42.6)
Segmental	3 (21.4)	11 (27.5)	14 (25.9)
Subsegmental	4 (28.6)	7 (17.5)	11 (20.4)
Both segmental and subsegmental	0	2 (5)	2 (3.7)
Matched perfusion defects	11 (78.6)	28 (70)	39 (72.2)
Segmental	6 (42.9)	13 (32.5)	19 (35.2)
Subsegmental	7 (50)	23 (57.5)	30 (55.6)
Both segmental and subsegmental	2 (14.3)	8 (20)	10 (18.5)
Both matched and mismatched perfusion defects	4 (28.6)	11 (27.5)	15 (27.8)