Table 1.
Clinical characteristics and comorbidities of COVID-negative patients (cross-sectional study part).
| Characteristics | Patients (n = 524) |
|---|---|
| Patient age at diagnosis (years) | |
| 16–25, n (%) | 22 (4.2) |
| 26–35, n (%) | 43 (8.2) |
| 36–45, n (%) | 59 (11.3) |
| 46–55, n (%) | 72 (13.7) |
| 56–65, n (%) | 111 (21.2) |
| >65, n (%) | 217 (41.4) |
| Gender | |
| Female, n (%) | 204 (38.9) |
| Male, n (%) | 320 (61.1) |
| Current smoking | |
| Yes, n (%) | 92 (17.6) |
| No, n (%) | 432 (82.4) |
| Comorbidities | |
| Diabetes, n (%) | 101 (19) |
| Cardio-vascular disease, n (%) | 237 (45) |
| Malignancy, n (%) | 126 (24) |
| Asthma bronchiale, n (%) | 10 (2) |
| Chronic obstructive pulmonary disease, n (%) | 43 (8) |
| Chronic kidney failure, n (%) | 69 (13) |
| Liver cirrhosis, n (%) | 53 (10) |
| Immunodeficiency, n (%) | 27 (5) |
| Inflammatory bowel disease (IBD), n (%) | 10 (2) |
| Pre-operations in the ENT tract, n (%) | 3 (0.6) |
| Severity of OD | |
| No OD (grade 0), n (%) | 299 (57.1) |
| Mild OD (grade 1), n (%) | 105 (20.0) |
| Moderate OD (grade 2), n (%) | 65 (12.4) |
| Severe OD (grade 3), n (%) | 34 (6.5) |
| Anosmia (grade 4), n (%) | 21 (4.0) |
COVID; coronavirus disease; ENT, ear, nose and throat; IBD, inflammatory bowel disease; OD, olfactory disease.