Table 2:

Emergency department visits and hospitalizations for mental health and substance use disorders and intentional self-injury by age and diagnosis, April 2019 to April 2020

Category	Mean N monthly visits^* (January 2019 to March 2021)	Per population
Category	Mean N monthly visits^* (January 2019 to March 2021)	April 2019	April 2020	% Relative change
Emergency department visits by age	Per 1000 population
All ages	21926	1.66	1.05	−37
10–13 yr	461	1.01	0.29	−71
14–17 yr	1617	3.27	1.36	−58
18–21 yr	2347	3.84	2.36	−38
22–24 yr	1769	3.70	2.19	−41
25–44 yr	9269	2.47	1.75	−30
45–64 yr	4957	1.32	0.88	−33
65–105 yr	1506	0.66	0.37	−44
Hospitalizations by age	Per 1000 population
All ages	6294	0.51	0.35	−30
10–13 yr	156	0.28	0.09	−69
14–17 yr	594	1.16	0.52	−55
18–21 yr	584	0.95	0.64	−33
22–24 yr	459	0.91	0.63	−32
25–44 yr	2459	0.63	0.50	−20
45–64 yr	1508	0.39	0.29	−28
65–105 yr	535	0.21	0.14	−32
Intentional self-injury by age	Per 10 000 population
All ages	1839	1.61	1.08	−33
10–13 yr	58	1.18	0.51	−56
14–17 yr	282	5.17	3.16	−39
18–21 yr	273	4.48	3.12	−30
22–24 yr	168	4.21	2.35	−44
25–44 yr	632	1.86	1.26	−32
45–64 yr	335	0.85	0.67	−22
65–105 yr	92	0.36	0.30	−15
Emergency department visits by diagnosis	Per 1000 population
Substance-related and addictive disorders	6819	0.56	0.38	−32
Schizophrenia spectrum and other psychotic disorders	2289	0.17	0.16	−6
Mood disorders	3242	0.29	0.13	−55
Anxiety disorders	3984	0.34	0.21	−37
Trauma and stressor-related disorders	2770	0.25	0.13	−47
Hospitalizations by diagnosis	Per 1000 population
Substance-related and addictive disorders	1424	0.11	0.09	−22
Schizophrenia spectrum and other psychotic disorders	1389	0.11	0.09	−14
Mood disorders	1707	0.15	0.08	−43
Anxiety disorders	231	0.02	0.01	−61
Trauma and stressor-related disorders	469	0.04	0.02	−32

↵* Mean monthly visits are the total number of visits in each stratum divided by the number of study months.