Table 1. Demographics of pediatric... | Rockefeller University Press

Table 1.

Demographics of pediatric cohorts

	MIS-C^{^a}		COVID-19
	Acute	Recovered	Acute	Recovered	Seronegative
Subjects (n)	22	26	16	36	21
Sex, male, n (%)	16 (73)	16 (62)	12 (75)	20 (56)	8 (38)
Age, yr, median (range)	11.2 (4.3–17.2)	9.7 (1.2–16.1)	3.5 (0.07–15)	8.5 (0.42–16)	8.00 (0.75–15)
Months after infection, median (range)	1 (0.5–1)^{^b}	8 (1.1–19)	0.15 (0.03–0.47)	6.5 (0.5–10)	n/a
Race or ethnicity, n (%)
African American	6 (27)	6 (23)	0 (0)	6 (19)	1 (5)
Hispanic	7 (32)	13 (50)	9 (56)	19 (61)	11 (52)
White	5 (23)	3 (12)	5 (31)	3 (10)	6 (29)
Other	1 (5)	1 (4)	0 (0)	1 (3)	1 (5)
Unknown	3 (14)	3 (12)	2 (13)	2 (7)	2 (9)
Comorbidities, n (%)
Asthma	3 (14)	2 (8)	2 (13)	10 (28)	1 (5)
Cardiac	1 (5)	0	2 (13)	6 (17)	3 (14)
Gastrointestinal	0	0	3 (19)	1 (3)	1 (5)
Endocrine/metabolic	1 (5)	0	1 (6)	2 (6)	2 (10)
Obesity	1 (5)	0	3 (19)	1 (3)	3 (14)
Hematologic	1 (5)	0	1 (6)	1 (3)	1 (5)
Neurological/neuromuscular	0	0	6 (38)	4 (11)	4 (19)
Chronic respiratory	0	0	1 (6)	1 (3)	0 (0)
Other	2 (9)	1 (4)	3 (19)	8 (22)	4 (19)
Variant
Original	16 (73)	21 (81)	2 (13)	20 (55)	n/a
Alpha	4 (18)	4 (15)	1 (6)	6 (17)	n/a
Delta	0	0	4 (25)	0	n/a
Omicron	2 (9)	1 (4)	9 (56)	5 (14)	n/a
Unknown	0	0	0	5 (14)	n/a

	MIS-C^{^a}		COVID-19
	Acute	Recovered	Acute	Recovered	Seronegative
Subjects (n)	22	26	16	36	21
Sex, male, n (%)	16 (73)	16 (62)	12 (75)	20 (56)	8 (38)
Age, yr, median (range)	11.2 (4.3–17.2)	9.7 (1.2–16.1)	3.5 (0.07–15)	8.5 (0.42–16)	8.00 (0.75–15)
Months after infection, median (range)	1 (0.5–1)^{^b}	8 (1.1–19)	0.15 (0.03–0.47)	6.5 (0.5–10)	n/a
Race or ethnicity, n (%)
African American	6 (27)	6 (23)	0 (0)	6 (19)	1 (5)
Hispanic	7 (32)	13 (50)	9 (56)	19 (61)	11 (52)
White	5 (23)	3 (12)	5 (31)	3 (10)	6 (29)
Other	1 (5)	1 (4)	0 (0)	1 (3)	1 (5)
Unknown	3 (14)	3 (12)	2 (13)	2 (7)	2 (9)
Comorbidities, n (%)
Asthma	3 (14)	2 (8)	2 (13)	10 (28)	1 (5)
Cardiac	1 (5)	0	2 (13)	6 (17)	3 (14)
Gastrointestinal	0	0	3 (19)	1 (3)	1 (5)
Endocrine/metabolic	1 (5)	0	1 (6)	2 (6)	2 (10)
Obesity	1 (5)	0	3 (19)	1 (3)	3 (14)
Hematologic	1 (5)	0	1 (6)	1 (3)	1 (5)
Neurological/neuromuscular	0	0	6 (38)	4 (11)	4 (19)
Chronic respiratory	0	0	1 (6)	1 (3)	0 (0)
Other	2 (9)	1 (4)	3 (19)	8 (22)	4 (19)
Variant
Original	16 (73)	21 (81)	2 (13)	20 (55)	n/a
Alpha	4 (18)	4 (15)	1 (6)	6 (17)	n/a
Delta	0	0	4 (25)	0	n/a
Omicron	2 (9)	1 (4)	9 (56)	5 (14)	n/a
Unknown	0	0	0	5 (14)	n/a

MIS-C cohort comprises 37 unique patients of whom 11 subjects were included in both acute and recovery phases.

Timing of acute infection was unknown or unreported in 13 of 22 acute MIS-C subjects and was presumed to be 1 mo prior to acute presentation, consistent with Feldstein et al. (2020).

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