Table 2. Medical comorbidities.
| n (%) or median [IQR] | ||||
|---|---|---|---|---|
| All patients | Non-severe disease | Severe disease | p-value | |
| n = 259(%) | n = 168(%) | n = 91(%) | ||
| Smoking history | 93(35.9) | 59(35.1) | 34(37.4) | 0.7194 |
| Obesitya | 114(44) | 67(39.9) | 47(51.7) | 0.0686 |
| Hypertension | 164(63.3) | 101(60.1) | 63(69.2) | 0.1463 |
| Diabetes mellitus | 100(38.6) | 51(30.4) | 49(53.9) | 0.0002* |
| Pre-diabetes | 38(14.7) | 27(16.1) | 11(12.1) | 0.3871 |
| Hyperlipidemia | 134(51.7) | 85(50.6) | 49(53.9) | 0.6172 |
| Coronary artery disease | 38(14.7) | 27(16.1) | 11(12.1) | 0.3871 |
| Cerebrovascular disease | 22(8.5) | 13(7.7) | 9(9.9) | 0.5532 |
| Peripheral vascular disease | 10(3.9) | 5(3.0) | 5(5.5) | 0.3153 |
| COPDb | 25(9.7) | 11(6.6) | 14(15.4) | 0.0215* |
| Asthma | 30(11.6) | 20(12.0) | 10(11.0) | 0.8260 |
| Chronic kidney disease | 45(17.4) | 26(15.5) | 19(20.9) | 0.2733 |
| Congestive heart failure | 37(14.3) | 20(11.9) | 17(18.7) | 0.1368 |
| Chronic liver disease | 16(6.2) | 11(6.6) | 5(5.5) | 0.7368 |
| Neurological diseases | 53(20.5) | 30(17.9) | 23(25.3) | 0.1578 |
| Autoimmune disease | 10(3.9) | 8(4.8) | 2(2.2) | 0.3065 |
| Organ transplant | 10(3.9) | 6(3.6) | 4(4.4) | 0.7424 |
| HIV | 5(1.9) | 1(0.60) | 4(4.4) | 0.0792 |
| Malignancy | 29(11.2) | 18(10.7) | 11(12.1) | 0.7379 |
| Current immunosuppressive medicationc | 25(9.7) | 13(7.7) | 12(13.2) | 0.1563 |
| Blood groupsd | 0.4566 | |||
| Blood group A | 61(23.6) | 39(23.2) | 22(24.2) | |
| Blood group B | 14(5.4) | 6(3.6) | 8(8.8) | |
| Blood group AB | 6(2.3) | 3(1.8) | 3(3.3) | |
| Blood group O | 73(28.2) | 40(23.8) | 33(36.3) | |
aObesity was defined as Body mass index (BMI)> 30kg/m2; BMI was missing in 11 patients
bCOPD: Chronic Obstructive Pulmonary Disease
cImmunosuppressive medications included steroids, calcineurin inhibitors, mTOR inhibitors, antiproliferative agents, active chemotherapy, immunotherapy
bBlood group was missing in 105 patients
*p value<0.05