Table 2. Cases and Hospitalizations for Anorexia Nervosa or Atypical Anorexia Nervosa Diagnosed Before or During the COVID-19 Pandemic in Canada.

	No./mo, mean (SD)		P value
	Diagnosis before COVID-19 pandemic	Diagnosis during first wave of COVID-19 pandemic
Cases by site
National sample	24.5 (1.6)	40.6 (20.1)	<.001
British Columbia Children’s Hospital	2.3 (1.6)	2.6 (0.9)	.58
Alberta Children’s Hospital	4.7 (2.2)	4.1 (2.5)	.45
McMaster Children’s Hospital	5.1 (2.3)	10.4 (5.7)	<.001
Montreal Children’s Hospital	4.5 (2.3)	8.7 (5.9)	<.001
Sainte Justine Hospital	5.8 (2.2)	11.7 (6.7)	<.001
Janeway Children’s Hospital	2.1 (1.6)	3.1 (1.8)	.08
Hospitalizations by site
National sample	7.5 (2.8)	20.0 (9.8)	<.001
British Columbia Children’s Hospital	1.4 (1.3)	1.9 (1.2)	.31
Alberta Children’s Hospital	0.9 (0.8)	2.3 (2.0)	.005
McMaster Children’s Hospital	2.2 (1.5)	6.6 (4.1)	<.001
Montreal Children’s Hospital	0.8 (1.0)	3.6 (2.6)	<.001
Sainte Justine Hospital	1.6 (1.3)	5.0 (3.6)	<.001
Janeway Children’s Hospital	0.6 (1.0)	0.78 (0.4)	.58