Table 1. Clinical characteristics of mild COVID-19 patients with olfactory or gustatory dysfunction.
| No. | Sex | Age | Comorbidity | Days after symptom onset | Days after confirmation of COVID-19 | General and respiratory symptom | Rhinologic symptom | Subjective olfactory function scale (0–10) | Duration of olfactory dysfunction, day | sQOD-NS (0–21) | QOD-VAS (0–10) | CC-SIT (0–12) | Subjective gustatory function scale (0–10) | Duration of gustatory dysfunction, day | Objective gustatory test | Endoscopic finding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | F | 62 | None | Not applicable | 21 | • None | • None | 9 | 30 | 12 | 6.8 | 9 | 9 | Not complained | Control: − | • Prominent uncinate process |
| PROP: − | • Olfactory fissure clear | |||||||||||||||
| PTC: + | ||||||||||||||||
| 2 | M | 24 | None | 26 | 1 | • Cough | • Rhinorrhea | 3 | 26 | 8 | 9.6 | 7 | 5 | 26 | Control: − | • Nasal septal deviation to left |
| • Sputum | • Sneezing | PROP: − | • Nasal discharge | |||||||||||||
| PTC: − | • Olfactory fissure clear | |||||||||||||||
| 3 | F | 33 | None | 21 | 6 | • Cough | • Rhinorrhea | 3 | 21 | 19 | 0.2 | 9 | 10 | Not complained | Control: − | • Nasal septal deviation to left |
| • Sputum | • Sneezing | PROP: − | • Nasal turbinate hypertrophy | |||||||||||||
| PTC: − | • Olfactory fissure clear | |||||||||||||||
| 4 | F | 20 | Allergic rhinitis | 8 | 3 | • Cough | • Sneezing | 1 | 8 | 17 | 1.6 | 5 | 9 | Not complained | Control: − | • Olfactory fissure clear |
| PROP: + | ||||||||||||||||
| PTC: + | ||||||||||||||||
| 5 | F | 37 | Chronic rhinosinusitis | 16 | 9 | • Cough | • Rhinorrhea | 2 | 15 | 4 | 8.6 | 5 | 3 | 15 | Control: − | • Nasal septal deviation to left |
| • Sore throat | • Sneezing | PROP: − | • Olfactory fissure clear | |||||||||||||
| • Chest pain | • Post-nasal drip | PTC: − | ||||||||||||||
| • Nasal obstruction | ||||||||||||||||
| 6 | F | 28 | Allergic rhinitis | 17 | 19 | • None | • Sneezing | 2 | 17 | 4 | 8.2 | 8 | 10 | 17 | Control: − | • Nasal septal deviation to left |
| • Post-nasal drip | PROP: + | • Nasal discharge | ||||||||||||||
| • Nasal obstruction | PTC: + | • Olfactory fissure clear | ||||||||||||||
| 7 | M | 22 | None | Not applicable | 15 | • None | • None | 8 | 24 | 17 | 3.6 | 7 | 10 | Not complained | Control: − | • Nasal septal deviation to right |
| PROP: − | ||||||||||||||||
| PTC: − | ||||||||||||||||
| 8 | M | 26 | None | 38 | 27 | • None | • Nasal obstruction | 9 | 38 | 19 | 0.8 | 9 | 9 | 38 | Control: − | • Nasal mucosal swelling |
| PROP: − | • Nasal discharge | |||||||||||||||
| PTC: − | • High septal deviation | |||||||||||||||
| 9 | F | 31 | Allergic rhinitis | 19 | 20 | • Sputum | • Sneezing | 7 | 19 | 16 | 6.2 | 10 | 10 | 19 | Control: − | • Nasal septal deviation to left |
| PROP: + | • Nasal turbinate hypertrophy | |||||||||||||||
| PTC: + | • Olfactory fissure clear | |||||||||||||||
| 10 | F | 43 | Allergic rhinitis | 15 | 11 | • Sore throat | • Post-nasal drip | 5 | 15 | 18 | 1.4 | 10 | 8 | 15 | Control: − | • Large septal perforation |
| PROP: − | ||||||||||||||||
| PTC: − |
COVID-19 = coronavirus disease 2019, sQOD-NS = short version of QOD-negative statements, QOD-VAS = QOD-visual analogue scale, CC-SIT = Cross-Cultural Smell Identification Test, PROP = 6-n-propylthiouracil, PTC = phenylthiocarbamide.