Characteristic Medical History p-value2
Overall, N = 2261 COVID-19 with respiratory symptoms, N = 981 Non-specific signs and symptoms attributed to COVID-19, N = 451 MIS-C, N = 621 Screening and/or symptoms not attributed to COVID-19, N = 211
No past medical history 116/226 (51%) 37/98 (38%) 28/45 (62%) 42/62 (68%) 9/21 (43%) <0.001
Asthma 15/220 (6.8%) 10/94 (11%) 1/44 (2.3%) 4/62 (6.5%) 0/20 (0%) 0.2
Other Lung Disease 9/218 (4.1%) 9/94 (9.6%) 0/44 (0%) 0/62 (0%) 0/18 (0%) 0.010
Diabetes Mellitus 2/222 (0.9%) 0/95 (0%) 1/45 (2.2%) 1/62 (1.6%) 0/20 (0%) 0.4
Immunodeficiency 11/217 (5.1%) 6/92 (6.5%) 1/44 (2.3%) 1/62 (1.6%) 3/19 (16%) 0.081
Congenital Heart Disease 9/221 (4.1%) 9/95 (9.5%) 0/45 (0%) 0/61 (0%) 0/20 (0%) 0.010
Abnormal Pulmonary Function Test 1/212 (0.5%) 1/88 (1.1%) 0/43 (0%) 0/62 (0%) 0/19 (0%) >0.9
Abnormal (cognitive) development 19/210 (9.0%) 12/92 (13%) 2/40 (5.0%) 2/60 (3.3%) 3/18 (17%) 0.085
Other 47/223 (21%) 20/97 (21%) 9/44 (20%) 14/62 (23%) 4/20 (20%) >0.9

1 n/N (%)

2 Fisher's exact test