Impact of the COVID-19 Pandemic on Trends in Cardiothoracic Imaging

Table 1

Summary of daily statistics.

	2019 daily average	SD	Median	2020 daily average	SD	Median	value
Total radiographs per day	480	82.6	515	406	73.1	403	<0.0001
Portable radiographs	266	29.1	273.5	320	68.2	317.5	<0.0001
Total thoracic CT	52	21.4	61	21.8	12.9	19	<0.0001
Noncontrast CT	37.7	18.9	45.5	14.3	11.1	10.5	<0.0001
CTA-PE	14.1	4.4	14	7.5	4.4	7	<0.0001
Total cardiac CT	10.18	6.6	12.5	3.8	3.2	3	<0.0001
Calcium score CT	5.6	4.5	6	0.5	1	0	<0.0001
CTA-aortic dissection	1.6	1.2	1	0.08	0.3	0	<0.0001
Cardiac CTA	3.7	3.1	3	3.2	2.5	3	0.22
Total cardiac MRI	2.5	2.3	2	0.88	1.7	0	<0.0001