Table 1.
Demographic data and patients’ characteristics.
| Characteristics | N = 321 |
|---|---|
| Age (years) | median (range) |
| 59 (20–87) | |
| Gender | n (%) |
| Female | 138 (43.0) |
| Male | 183 (57.0) |
| Smoking status | n (%) |
| Non-smokers | 234 (72.9) |
| Smokers | 68 (21.2) |
| Unknown | 19 (5.9) |
| Comorbidities | n (%) |
| No | 117 (36.4) |
| Yes | 204 (63.6) |
| Single | 137 (42.7) |
| Multiple | 67 (20.9) |
| Diabetes mellitus | 88 (27.4) |
| Malignant solid tumor $ | 63 (19.6) |
| Autoimmune disease & | 50 (15.6) |
| Chronic kidney disease * | 27 (8.4) |
| Hematological disorder # | 17 (5.3) |
| Chronic lung disease | 15 (4.7) |
| Chronic liver disease | 10 (3.2) |
| Cardiovascular disease | 8 (2.5) |
| Organ transplantation | 3 (0.9) |
| Alcoholism | 2 (0.6) |
| Common variable immune deficiency | 2 (0.6) |
* Includes 4 patients under hemodialysis. # Includes 13 and 4 patients with malignant and non-malignant hematological disorders, respectively. $ The most common are lung cancer, colorectal cancer, and breast cancer. & The most common are rheumatoid arthritis, systemic lupus erythematosus, and Sjogren’s syndrome.