Table 4.
Comparison of clinically relevant variables between the group with and without anosmia/hyposmia
| Total (n = 108) | Anosmia/hyposmia (n = 26) | No anosmia/hyposmia (n = 82) | |
|---|---|---|---|
| Age – median (IQR) | 40.0 (32.0–52.3) | 36.0 (31.0–45.3) | 42.0 (32.3–53.0) |
| Smoking status – % | |||
| Current | 7.4 | 3.9 | 8.5 |
| Ex-smoker | 20.4 | 15.4 | 22.0 |
| Never | 70.4 | 76.9 | 68.3 |
| E-cigarettes | 1.9 | 3.9 | 1.2 |
| Relevant comorbidities – % | |||
| Chronic rhinosinusitis | 4.6 | 0.0 | 6.1 |
| Recent severe URTI or flu | 11.1 | 15.4 | 9.8 |
| Head trauma | 6.5 | 0.0 | 8.5 |
| Relevant symptoms –% | |||
| Rhinorrhea | 37.0 | 23.1 | 41.5 |
| Nasal congestion | 40.7 | 46.2 | 39.0 |
| COVID-19 status* – % | |||
| Positive | 42.6 | 88.5 | 28.1 |
| Negative | 57.4 | 11.5 | 72.0 |
Notes:
*Statistically significant p-value (< 0.05). Kruskal-Wallis test for continuous variables and Fisher's exact test for categorical variables.
IQR = interquartile range; URTI = upper respiratory tract infection.