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. 2023 May 22;329(23):2089–2091. doi: 10.1001/jama.2023.8674

Table. Characteristics of Children Included in a Study of COVID-19 and Type 1 Diabetes.

	2018-2019	2020-2021		P value^a
	2018-2019	No COVID-19 diagnosis	COVID-19 diagnosis	P value^a
Total, No. (%)	1 181 096	984 841 (83.4)	195 795 (16.6)
Sex, No. (%)
Girls	572 073 (48.4)	478 295 (48.6)	93 529 (47.8)	<.001
Boys	609 023 (51.6)	506 546 (51.4)	102 266 (52.2)	<.001
Age
Median (IQR), y^b	4.5 (2.5-6.8)	6.8 (4.5-8.8)	6.0 (4.0-8.5)	<.001
≤6.5 y, No. (%)	826 805 (70.0)	484 426 (49.2)	110 454 (56.4)	<.001
>6.5 y, No. (%)	354 791 (30.0)	500 415 (50.8)	85 341 (43.6)	<.001

^{^a}

P values were for comparisons between children with and without a COVID-19 diagnosis.

^{^b}

Age was on January 1, 2019, for the 2018-2019 period and on January 1, 2020, for the 2020-2021 period.