Table 1

Characteristics of the COVID-19 patients and sick controls at admission

COVID-19 groupSick controls
Age (median, IQR): 50.5 (39.3–66.0) Age (median, IQR): 56 (30-64)
Sex (% male): 58 Sex (% male): 74
Comorbidities Illnesses
 Hypertension- 26 (50%)Pneumonia/sepsis/pleural effusion/pulmonary embolism- 10 (37%)
 Coronary artery disease- 8 (16%)Acute heart failure- 3 (11%)
 Heart failure- 9 (17%)Cancer- 2 (7%)
 Chronic kidney disease- 6 (12%)Diabetic ketoacidosis- 2 (7%)
 Chronic liver disease- 7 (13%)Myasthenia gravis- 1 (4%)
 Cerebrovascular disease- 7 (13%)Encephalitis-1 (4%)
 Cancer- 4 (8%)Postliver transplant- 1 (4%)
 Atrial fibrillation- 3 (6%)Seizure-1 (4%)
 Hyperlipidaemia- 15 (29%)Peptic ulcer bleed-1 (4%)
 Diabetes mellitus- 21 (40%)Haemorrhagic stroke-1 (4%)
 Chronic obstructive lung disease- 8 (16%)Cardiac arrest-1 (4%)
 Smoking (current or former)- 23 (44%)Hyponatraemia-1 (4%)