Characteristic Medical History of COVID-19 patients p-value2
Overall, N = 1591 Asymptomatic, N = 171 Mild, N = 1041 Moderate, N = 311 (Very) severe, N = 71
No past medical history 73 7/73 (9.6%) 53/73 (73%) 11/73 (15%) 2/73 (2.7%) 0.3
Asthma 10 0/10 (0%) 3/10 (30%) 6/10 (60%) 1/10 (10%) 0.009
Other Lung Disease 9 0/9 (0%) 4/9 (44%) 4/9 (44%) 1/9 (11%) 0.12
Diabetes Mellitus 1 0/1 (0%) 1/1 (100%) 0/1 (0%) 0/1 (0%) >0.9
Immunodeficiency 9 2/9 (22%) 6/9 (67%) 0/9 (0%) 1/9 (11%) 0.12
Congenital Heart Disease 9 0/9 (0%) 4/9 (44%) 4/9 (44%) 1/9 (11%) 0.12
Abnormal Pulmonary Function Test 1 0/1 (0%) 1/1 (100%) 0/1 (0%) 0/1 (0%) >0.9
Abnormal (cognitive) development 17 3/17 (18%) 6/17 (35%) 6/17 (35%) 2/17 (12%) 0.011
Other 31 3/31 (9.7%) 24/31 (77%) 3/31 (9.7%) 1/31 (3.2%) 0.5

1 n/N (%)

2 Fisher's exact test