Characteristic Medical History p-value2
Overall, N = 2781 COVID-19 with respiratory symptoms, N = 1071 Non-specific signs and symptoms attributed to COVID-19, N = 551 MIS-C, N = 911 Screening and/or symptoms not attributed to COVID-19, N = 251
No past medical history 146/278 (53%) 40/107 (37%) 35/55 (64%) 59/91 (65%) 12/25 (48%) <0.001
Asthma 19/272 (7.0%) 11/103 (11%) 1/54 (1.9%) 6/91 (6.6%) 1/24 (4.2%) 0.2
Other Lung Disease 10/270 (3.7%) 10/103 (9.7%) 0/54 (0%) 0/91 (0%) 0/22 (0%) 0.001
Diabetes Mellitus 3/274 (1.1%) 1/104 (1.0%) 1/55 (1.8%) 1/91 (1.1%) 0/24 (0%) >0.9
Immunodeficiency 13/269 (4.8%) 8/101 (7.9%) 1/54 (1.9%) 1/91 (1.1%) 3/23 (13%) 0.019
Congenital Heart Disease 10/273 (3.7%) 10/104 (9.6%) 0/55 (0%) 0/90 (0%) 0/24 (0%) <0.001
Abnormal Pulmonary Function Test 1/263 (0.4%) 1/97 (1.0%) 0/53 (0%) 0/91 (0%) 0/22 (0%) >0.9
Abnormal (cognitive) development 25/259 (9.7%) 16/101 (16%) 3/48 (6.2%) 3/89 (3.4%) 3/21 (14%) 0.016
Other 58/274 (21%) 21/106 (20%) 10/53 (19%) 23/91 (25%) 4/24 (17%) 0.7

1 n/N (%)

2 Fisher's exact test