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.