Absolute and relative difference of emergency department visits with and without pandemic effect in model in April 2020 and December 2020, and cumulative for the period between February 2020 and May 2021 by reason for visit
| Reason for visit | April 2020 | December 2020 | Cumulative (February 2020–May 2021)* | |||
|---|---|---|---|---|---|---|
| Absolute (95% CI) | Relative, % (95% CI) | Absolute (95% CI) | Relative, % (95% CI) | Absolute (95% CI) | Relative, % (95% CI) | |
| All conditions | −55 900 (−64 100 to −46 900) | −42 (−48 to −36) | −24 800 (−31 200 to −18 000) | −19 (−23 to −14) | −322 300 (−404 900 to −244 000) | −15 (−18 to −12) |
| Cardiovascular | −6100 (−7300 to −4900) | −36 (−42 to −29) | −1600 (−2500 to −780) | −9 (−14 to −4) | −26 300 (−36 700 to −16 100) | −10 (−13 to −6) |
| ENT | −2900 (−3400 to −2500) | −49 (−54 to −42) | −1700 (−2100 to −1400) | −28 (−33 to −23) | −20 200 (−23 800 to −16 700) | −22 (−26 to −19) |
| Gastrointestinal and genitourinary | −10 600 (−12 100 to −9100) | −45 (−51 to −39) | −3600 (−4800 to −2400) | −15 (−20 to −11) | −56 600 (−71 400 to −41 400) | −15 (−18 to −11) |
| General and minor | −5800 (−7000 to −4600) | −38 (−45 to −31) | −4200 (−5000 to −3300) | −25 (−29 to −20) | −44 100 (−53 800 to −34 900) | −18 (−21 to −15) |
| Injury† | −7100 (−8300 to −5800) | −41 (−47 to −34) | −1600 (−2300 to −800) | −10 (−15 to −5) | −30 000 (−40 900 to −19 300) | −11 (−14 to −7) |
| Mental health | −1400 (−1800 to −1000) | −30 (−37 to −22) | −140 (−370 to 60) | −3 (−8 to 2) | −3900 (−6900 to −1300) | −5 (−9 to −2) |
| Neurologic | −3500 (−4100 to −2900) | −41 (−47 to −34) | −940 (−1400 to −480) | −11 (−16 to −6) | −15 200 (−20 400 to −9500) | −11 (−15 to −7) |
| OBGYN | −790 (−930 to −650) | −43 (−49 to −36) | −100 (−200 to 0) | −5 (−10 to −1) | −2500 (−3800 to −1300) | −8 (−12 to −4) |
| Ophthalmology | −1200 (−1400 to −940) | −43 (−49 to −36) | −360 (−490 to −230) | −15 (−21 to −10) | −6600 (−8300 to −4900) | −16 (−20 to −13) |
| Orthopedics | −8300 (−9500 to −7300) | −50 (−55 to −45) | −2700 (−3500 to −1900) | −17 (−22 to −13) | −42 400 (−52 100 to −32 700) | −16 (−19 to −12) |
| Respiratory | −4700 (−5400 to −3800) | −45 (−51 to −39) | −6300 (−6900 to −5700) | −48 (−51 to −44) | −56 400 (−62 200 to −50 600) | −35 (−37 to −32) |
| Sexual assault | −40 (−50 to −20) | −42 (−58 to −23) | −10 (−20 to −10) | −17 (−27 to −7) | −250 (−370 to −120) | −16 (−23 to −9) |
| Skin | −3200 (−3700 to −2600) | −44 (−50 to −37) | −1100 (−1500 to −790) | −17 (−21 to −12) | −19 400 (−23 900 to −14 800) | −16 (−20 to −13) |
| Substance misuse | −810 (−1000 to −620) | −36 (−43 to −28) | −130 (−230 to −20) | −6 (−11 to −1) | −2500 (−4000 to −1100) | −7 (−11 to −3) |
Note: CI = confidence interval; ENT = ears, nose and throat; OBGYN = obstetrics and gynecology.
↵* The period from the start of the pandemic until the overall volume of emergency department visits returned to expected (baseline) levels.
↵† 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.