Characteristic Medical History p-value2
Overall, N = 5331 COVID-19 with respiratory symptoms, N = 2111 Non-specific signs and symptoms attributed to COVID-19, N = 1171 MIS-C, N = 1541 Screening and/or symptoms not attributed to COVID-19, N = 511
No past medical history 305/533 (57%) 106/211 (50%) 76/117 (65%) 98/154 (64%) 25/51 (49%) 0.011
Asthma 32/522 (6.1%) 18/206 (8.7%) 3/116 (2.6%) 9/153 (5.9%) 2/47 (4.3%) 0.2
Other Lung Disease 23/519 (4.4%) 19/205 (9.3%) 0/115 (0%) 2/154 (1.3%) 2/45 (4.4%) <0.001
Diabetes Mellitus 5/522 (1.0%) 2/206 (1.0%) 1/116 (0.9%) 2/153 (1.3%) 0/47 (0%) >0.9
Immunodeficiency 18/514 (3.5%) 11/201 (5.5%) 1/113 (0.9%) 2/154 (1.3%) 4/46 (8.7%) 0.012
Congenital Heart Disease 13/524 (2.5%) 11/208 (5.3%) 1/116 (0.9%) 0/153 (0%) 1/47 (2.1%) 0.005
Abnormal Pulmonary Function Test 3/499 (0.6%) 3/193 (1.6%) 0/113 (0%) 0/151 (0%) 0/42 (0%) 0.3
Abnormal (cognitive) development 48/484 (9.9%) 27/196 (14%) 7/99 (7.1%) 5/145 (3.4%) 9/44 (20%) <0.001
Other 91/520 (18%) 33/208 (16%) 20/112 (18%) 33/150 (22%) 5/50 (10%) 0.2

1 n/N (%)

2 Fisher's exact test