Table 2:

Timing of returning to prepandemic baseline volume of emergency department visits by reason for visit, age group and acuity

VariableMonth back to baseline (after February 2020)Time to return to prepandemic baseline volume after February 2020, mo
All visitsMay 202116
Reason for visit
 Mental health, substance misuse, OBGYN, sexual assaultMay 20204
 CardiovascularJanuary 202112
 Injury, neurologicFebruary 202113
 Orthopedics, skinApril 202115
 Gastrointestinal and genitourinary, ophthalmologyMay 202116
 ENT, general and minor, respiratoryJune 202117
Age group, yr
 30–39, 50–59, 60–69, 70–79May 20204
 40–49February 202113
 20–29, 80–89April 202115
 10–19May 202116
 ≥ 90June 202117
 < 10July 202118
Acuity (CTAS score)
 Resuscitation (1)May 20204
 Emergent (2), urgent (3), less urgent (4), nonurgent (5)May 202116
  • Note: CTAS = Canadian Triage and Acuity Scale; ENT = ears, nose and throat; OBGYN = obstetrics and gynecology.

  • * The injury category groups together all codes from the environmental and trauma categories and injury-specific codes from other categories. See details in Appendix 1, eTable 1, available at www.cmaj.ca/lookup/doi/10.1503/cmaj.221516/tab-related-content.