Changes in emergency department visits and mortality during the COVID-19 pandemic: a retrospective analysis of 956 hospitals

Table 1 Emergency department visits and mortality descriptions during the COVID-19 pandemic

Time periods	Pre-pandemic (Sep2019-Feb 2020)		1st wave (Feb2020-Apr 2020)		Post-pandemic (Sep2020-Feb 2021)		Post-vaccination (Sep2021-Feb 2022)
Duration (months)	5		2		5		5
		Percent (%)		Percent (%)		Percent (%)		Percent (%)
ED visit (number)	571,773	100.0	156,110	100.0	421,922	100.0	640,026	100.0
Age groups
< 18	92,754	16.2	20,695	13.3	53,871	12.8	83,511	13.0
18–44	189,597	33.2	56,685	36.3	141,162	33.5	220,323	34.4
45–64	146,624	25.6	41,556	26.6	118,853	28.2	184,564	28.8
< 64	142,798	25.0	37,174	23.8	108,036	25.6	151,628	23.7
Gender
Female	281,309	49.2	73,748	47.2	203,573	48.2	314,087	49.1
Male	290,464	50.8	82,362	52.8	218,349	51.8	325,939	50.9
Selected health conditions
Cardiovascular diseases	15,786	2.8	4,460	2.9	14,156	3.4	17,663	2.8
Mental and substance use disorders	1,493	0.3	328	0.2	992	0.2	1,955	0.3
Unintentional Injuries	1,832	0.3	834	0.5	1,980	0.5	2,994	0.5
Self-Harm	209	0.0	102	0.1	286	0.1	345	0.1
ED Mortality (number)	4,671	100.0	1,998	100.0	5,708	100.0	6,646	100.0
Age groups
< 18	229	4.9	94	4.7	222	3.9	305	4.6
18–44	401	8.6	177	8.9	546	9.6	693	10.4
45–64	1,125	24.1	520	26.0	1,509	26.4	1,881	28.3
> 64	2,916	62.4	1,207	60.4	3,431	60.1	3,767	56.7
Gender
Female	1,929	41.3	824	41.2	2,252	39.5	2,615	39.3
Male	2,742	58.7	1,174	58.8	3,456	60.5	4,031	60.7

ISSN: 2049-3258