- Demographics details of the recruited subjects (N=196).
| Characteristic | n | (%) |
|---|---|---|
| Gender (male) | 70 | (35.7) |
| Age | ||
| Less than 20 years | 17 | (8.7) |
| 20-29 years | 100 | (51.0) |
| 30-39 years | 51 | (26.0) |
| 40-49 years | 20 | (10.2) |
| 50-59 year | 6 | (3.1) |
| 60 and more | 2 | (1.0) |
| Olfaction and gustation | ||
| Loss of smell | 196 | (100) |
| Loss of taste | 162 | (82.7) |
| Previous less of smell | 0 | (0) |
| Comorbidities | ||
| Smoking | 24 | (12.2) |
| Asthma | 31 | (15.8) |
| Gastric reflux disease | 14 | (7.1) |
| Nasal allergy | 21 | (10.7) |
| Previous sinus surgery | 8 | (4.1) |
| Food or skin allergy | 16 | (8.2) |
| Chronic sinusitis | 14 | (7.1) |
| Hypothyroidism | 5 | (2.6) |
| Aspiring allergy | 2 | (1) |
| Obstructive sleep apnea | 0 | (0) |
| Medically free | 96 | (31.2) |