Table 1. Characteristics of reported cases of multisystem inflammatory syndrome in children according to SARS-CoV-2^a infection status, Canada, March 11, 2020 to October 2, 2021.

Characteristic	Lab-confirmed only (n=127)		Lab-confirmed and/or epidemiological link (n=142)		No known evidence of SARS-CoV-2 infection or exposure (n=127)		All patients (n=269)
	n	%b	n	%	n	%	n	%
Sex
Male	82	65	92	65	65	51	157	58
Female	45	35	50	35	62	49	112	42
Age category (years)
Younger than 1	1	1	1	1	15	12	16	6
1–4	36	28	41	29	55	43	96	36
5–9	46	36	51	36	30	24	81	30
10–14	30	24	34	24	15	12	49	18
15–19	14	11	15	11	12 (9	9	27	10
Range
Median age (range in years)	8 (0–18)		8 (0–18)		4 (0–17)		6 (0–18)
Hospitalizedc
Yes	127	100	142	100	125	98	267	99
No	0	0	0	0	2	2	2	1
ICU admission
Yes	98	57	76	54	22	17	98	36
No	54	43	66	46	102	80	168	62
Unknown	0	0	0	0	3	2	3	1
Outcomed
Recovered	72	57	82	58	102	80	184	68
Convalescing/stable	53	42	58	41	22	17	80	30
Deteriorating	1	1	1	1	0	0	1	0
Unknown	1	1	1	1	3	2	4	1

Abbreviations: ICU, intensive care unit; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2

^a Severe acute respiratory syndrome coronavirus 2

^b Percentages are rounded to the nearest whole number. The sum of a category’s percentages therefore may not add up to 100%

^c One province or territory reported hospitalized cases only

^d Patient outcomes were updated by provincial and territorial health authorities when possible. Data presented here were at the time of the most recent update