Table 1.
Demographic and clinical characteristics of the patients (N=800).
Characteristics | n (%) |
---|---|
| |
Age (years) | |
17–45 | 128 (16) |
46–65 | 212 (27) |
>65 | 460 (58) |
Gender | |
Male | 373 (47) |
Female | 427 (53) |
Nationality | |
Saudi | 794 (99) |
Non-Saudi | 6 (1) |
Comorbid illness | |
Diabetes mellitus | 530 (66) |
Chronic kidney disease | 175 (22) |
Cystic fibrosis | 1 (0.1) |
Chronic obstructive pulmonary disease | 154 (19) |
Asthma | 236 (30) |
Lung cancer | 30 (4) |
Other risk factors | |
Smoker | 101 (13) |
Immunosuppressant therapy | 82 (10) |