Table 1.
Characteristics of 5685 patients with confirmed COVID-19 infection in Qatar between 29 February and 18 April 2020
| Variable | n (%) |
| Demographics | |
| Mean age, years (SD) | 35.8 (12.0) |
| Median age, years (IQR) | 34 (28–43) |
| 0–20 years | 302 (5.3) |
| 21–40 years | 3666 (64.5) |
| 41–60 years | 1537 (27.0) |
| >60 years | 180 (3.2) |
| Male sex | 5052 (88.9) |
| Nationality | |
| Indian | 1559 (27.4) |
| Bangladeshi | 1077 (18.9) |
| Nepalese | 1047 (18.4) |
| Qatari | 497 (8.7) |
| Pakistani | 353 (6.2) |
| Filipino | 185 (3.3) |
| Egyptian | 179 (3.1) |
| Sri Lankan | 109 (1.9) |
| Sudanese | 91 (1.6) |
| Others | 588 (10.3) |
| Comorbidities | |
| Hypertension | 391 (6.9) |
| Diabetes mellitus | 344 (6.0) |
| Cardiovascular disease | 250 (4.4) |
| Chronic lung disease | 169 (3.0) |
| Chronic kidney disease | 35 (0.6) |
| Solid organ malignancy | 30 (0.5) |
| Tuberculosis | 13 (0.2) |
| Chronic liver disease | 12 (0.2) |
| Autoimmune disease | 6 (0.1) |
| Missing | 235 (4.1) |
| Number of comorbidities (235 missing) | |
| 0 | 4753 (83.6) |
| 1 | 384 (6.8) |
| 2 | 139 (2.5) |
| 3 | 121 (2.1) |
| ≥4 | 53 (0.9) |
| Missing | 235 (4.1) |
| Severity of illness | |
| Asymptomatic or minimal symptoms | 5168 (90.9) |
| Mild illness without pneumonia | 44 (0.8) |
| Mild illness with pneumonia | 133 (2.3) |
| Severe illness | 82 (1.4) |
| Critical illness | 35 (0.6) |
| Missing | 223 (3.9) |