Characteristic Medical History p-value2
Overall, N = 5861 COVID-19 with respiratory symptoms, N = 2311 Non-specific signs and symptoms attributed to COVID-19, N = 1301 MIS-C, N = 1691 Screening and/or symptoms not attributed to COVID-19, N = 561
No past medical history 332/586 (57%) 117/231 (51%) 81/130 (62%) 108/169 (64%) 26/56 (46%) 0.011
Asthma 32/575 (5.6%) 18/225 (8.0%) 3/130 (2.3%) 9/168 (5.4%) 2/52 (3.8%) 0.2
Other Lung Disease 25/573 (4.4%) 21/225 (9.3%) 0/129 (0%) 2/169 (1.2%) 2/50 (4.0%) <0.001
Diabetes Mellitus 5/576 (0.9%) 2/226 (0.9%) 1/130 (0.8%) 2/168 (1.2%) 0/52 (0%) >0.9
Immunodeficiency 18/568 (3.2%) 11/221 (5.0%) 1/127 (0.8%) 2/169 (1.2%) 4/51 (7.8%) 0.012
Congenital Heart Disease 13/578 (2.2%) 11/228 (4.8%) 1/130 (0.8%) 0/168 (0%) 1/52 (1.9%) 0.005
Abnormal Pulmonary Function Test 3/552 (0.5%) 3/212 (1.4%) 0/127 (0%) 0/166 (0%) 0/47 (0%) 0.3
Abnormal (cognitive) development 51/537 (9.5%) 28/215 (13%) 8/113 (7.1%) 6/160 (3.8%) 9/49 (18%) 0.002
Other 110/571 (19%) 37/227 (16%) 27/124 (22%) 37/165 (22%) 9/55 (16%) 0.4
1 n/N (%)
2 Fisher's exact test