Table 1. Comparison of initial clinical characteristics of patients between 2020 and 2019.
| March-April 2020 | March-April 2019 | ρ value | |
|---|---|---|---|
| Sex (M:F) | 43:56 | 43:46 | .502 |
| Age (year old, M ± SD) | 50.8 ± 15.1 | 52.6 ± 14.7 | .487 |
| Educational background | .812 | ||
| Bachelor and superior | 54 | 47 | |
| Inferior to bachelor | 45 | 42 | |
| Duration (month) | 25 ± 53.6 | 31.3 ± 50.4 | .108 |
| Site | .177 | ||
| Bilateral | 36 | 41 | |
| Unilateral | 63 | 48 | |
| Anxiety involved/total# | 74/99 (74%) | 53/89 (59%) | .026 |
| Risk factors | |||
| Sensorineural hearing loss | 69 | 65 | .614 |
| Noise exposure | 1 | 0 | 1 |
| Hypertension | 3 | 6 | .179 |
| Hyperthyroidism | 1 | 0 | 1 |
| Head/neck trauma | 1 | 0 | 1 |
Chi-square test was used for the between-group comparison, sex, educational background, site, anxiety and the risk factor of sensorineural hearing loss using, t-test on age, Mann-Whitney Rank Sum Test on Duration, Fisher’s exact test on the risk factors of noise exposure, hypertension, hyperthyroidism and head/neck trauma.