Characteristic Medical History of COVID-19 patients p-value2
Overall, N = 3431 Asymptomatic, N = 201 Mild, N = 2301 Moderate, N = 721 (Very) severe, N = 211
No past medical history 189 11/189 (5.8%) 141/189 (75%) 31/189 (16%) 6/189 (3.2%) 0.003
Asthma 21 0/21 (0%) 5/21 (24%) 12/21 (57%) 4/21 (19%) <0.001
Other Lung Disease 19 0/19 (0%) 6/19 (32%) 9/19 (47%) 4/19 (21%) <0.001
Diabetes Mellitus 3 0/3 (0%) 1/3 (33%) 1/3 (33%) 1/3 (33%) 0.2
Immunodeficiency 15 2/15 (13%) 9/15 (60%) 1/15 (6.7%) 3/15 (20%) 0.027
Congenital Heart Disease 12 0/12 (0%) 5/12 (42%) 6/12 (50%) 1/12 (8.3%) 0.10
Abnormal Pulmonary Function Test 3 0/3 (0%) 1/3 (33%) 0/3 (0%) 2/3 (67%) 0.021
Abnormal (cognitive) development 36 2/36 (5.6%) 12/36 (33%) 15/36 (42%) 7/36 (19%) <0.001
Other 55 3/55 (5.5%) 43/55 (78%) 7/55 (13%) 2/55 (3.6%) 0.3

1 n/N (%)

2 Fisher's exact test