Table 1:

Emergency department CT volumes by hospital^*

Hospital	Volume of CT examinations, no. (95% CI); study period		Poisson reduction in means, %	p value
	Before pandemic	During pandemic
Hamilton Health Sciences, n = 1717	1021 (959–1086)	696 (645–750)	31.8	< 0.001
Thunder Bay Regional Health Sciences Centre, n = 1170	697 (646–751)	473 (431–518)	32.1	< 0.001
Mackenzie Health, n = 3056	1955 (1869–2044)	1101 (1037–1168)	43.7	< 0.001
Orillia Soldiers’ Memorial Hospital, n = 531	306 (273–342)	225 (197–256)	26.5	< 0.001
Total, n = 6474	3979 (3856–4105)	2495 (2398–2595)	37.3	< 0.001

Note: CI = confidence interval, CT = computed tomography.

^*Data are presented as total counts.