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. 2022 Feb 21;176(5):520–522. doi: 10.1001/jamapediatrics.2021.6566

Table. Hospitalizations of Children Aged 5 to 11 Years by Viral Infection Across 11 Statesa.

Variable No. (95% CI)
January-March 2021 January-March 2017
MIS-C SARS-CoV-2 without MIS-C Influenza RSV
Total, No. 379 343 1134 413
Total, No. per 100 000 kids 5.7 5.1 17.0 6.2
Demographic characteristics
Age, median (IQR), y 8 (7-10) 8 (7-10) 7 (6-9)b 6 (5-8)b
Proportion of female children 0.406 (0.357-0.456) 0.458 (0.405-0.511) 0.415 (0.387-0.444) 0.525 (0.477-0.574)b
Proportion of male children 0.594 (0.544-0.643) 0.542 (0.489-0.595) 0.585 (0.556-0.613) 0.475 (0.426-0.523)b
Proportion of each race and ethnicity
Asian or Pacific Islander 0.029 (0.009-0.049) 0.015 (0-0.029) 0.026 (0.016-0.035) 0.011 (0-0.022)
Black 0.101 (0.065-0.136) 0.158 (0.114-0.202)e 0.105 (0.086-0.124) 0.129 (0.094-0.164)
Hispanic 0.381 (0.324-0.439) 0.239 (0.188-0.290)b 0.243 (0.216-0.270)b 0.090 (0.060-0.120)b
Non-Hispanic White 0.432 (0.373-0.490) 0.551 (0.492-0.611)b 0.579 (0.548-0.610)b 0.716 (0.669-0.763)b
Otherc 0.058 (0.030-0.085) 0.037 (0.014-0.059) 0.047 (0.034-0.060) 0.053 (0.030-0.077)
Outcomes
Inpatient death <11d <11d <11d <11d
No. of body systems affected 1.913 (1.775-2.050) 0.866 (0.763-0.969)b 0.981 (0.930-1.032)b 1.266 (1.185-1.348)b
Complications
Cardiovascular 0.298 (0.252-0.344) 0.032 (0.013-0.051)b 0.020 (0.012-0.028)b 0.029 (0.013-0.045)b
Myocarditis/pericarditis 0.111 (.079-.143) <11d <11d <11d
Respiratory 0.282 (0.237-0.328) 0.210 (0.167-0.253)e 0.306 (0.279-0.333) 0.758 (0.716-0.799)b
Neurologic 0.050 (0.028-0.072) 0.096 (0.065-0.128)e 0.063 (0.048-0.077) 0.063 (0.039-0.086)
Hematologic 0.554 (0.504-0.604) 0.134 (0.098-0.170)b 0.099 (0.081-0.116)b 0.126 (0.094-0.158)b
Sepsis 0.108 (0.077-0.140) 0.050 (0.026-0.073)b 0.034 (0.023-0.044)b 0.065 (0.041-0.089)b
Shock 0.142 (0.107-0.178) <11d 0.017 (0.009-0.024)b 0.031 (0.015-0.048)b
Kidney failure 0.219 (0.177-0.261) 0.067 (0.040-0.094)b 0.036 (0.025-0.047)b 0.034 (0.016-0.051)b
Gastrointestinal 0.472 (0.422-0.523) 0.312 (0.263-0.361)b 0.364 (0.336-0.392)b 0.252 (0.210-0.294)b
Musculoskeletal 0.037 (0.018-0.056) <11d 0.095 (0.078-0.112)b <11d
Utilization, median (IQR), No.
Length of stay, d 5 (3-7) 3 (2-6)b 2 (1-4)b 3 (2-6)b
Hospital costs, $ 23 585 (15 040-39 122) 10 399 (5314-23 546)b 5200 (2959-9449)b 9080 (4648-21 075)b
Hospital charges, $ 78 208 (52 896-114 562) 34 946 (20 231-73 689)b 17 696 (10 579-31 032)b 29 166 (15 335-63 780)b

Abbreviations: MIS-C, multisystem inflammatory syndrome for children; RSV, respiratory syncytial virus.

a

Includes data from the first quarter of 2021 (January-March) from 1333 hospitals in Colorado, Georgia, Iowa, Kentucky, Michigan, Missouri, Mississippi, New Jersey, Ohio, Washington, and Wisconsin. Complications are defined in the eMethods in the Supplement.

b

Significantly different compared with MIS-C: P < .01.

c

Other includes Native American or other as reported by the Healthcare Cost and Utilization Project.

d

Values masked owing to a patient number less than 11.

e

Significantly different compared with MIS-C: P < .05.