Table 3. Common comorbid illnesses and risk factors for COVID-19.
The most common medical comorbid conditions and risk factors for COVID-19 were included; hypertension, diabetes mellitus (DM), obesity, chronic kidney disease, ischemic heart disease and smoker in descending order.
| Underlying risk factors | Frequency (n) | Percentage (%) |
| Hypertension | 197 | 47.6 % |
| Diabetes | 194 | 46.9% |
| Obesity | 88 | 21% |
| Newly diagnosed DM (on admission HbA1c >6.5%) | 42 | 10% |
| Chronic kidney disease | 43 | 10% |
| Ischemic heart disease | 40 | 9.7% |
| Smoker | 28 | 6.8% |
| Asthma | 15 | 3.6% |
| Malignancy | 12 | 2.91% |