21 March 2021: Clinical Research
Association Between Sigmoid Sinusoidal Tinnitus and Low-Frequency Sensorineural Hearing Loss: A Retrospective Study at a Single Center
Siji Wang ABCDEF , Jiaqiu Dai B , Changchao Xiang C , Ziqi Chen D , Xi Ouyang E , Lin Zhu F , Fenghui Yu B , Xiaofang Zong F , Houyong Kang AG*DOI: 10.12659/MSM.929300
Med Sci Monit 2021; 27:e929300
Table 2 Different frequency thresholds of healthy participants with or without masking.
| Patient No. | Side | Different frequencies with or without masking | |||||
|---|---|---|---|---|---|---|---|
| N-125 (HZ) | M-125 (HZ) | N-250 (HZ) | M-250 (HZ) | N-500 (HZ) | M-500 (HZ) | ||
| 1 | R | 15 | 42 | 10 | 40 | 15 | 43 |
| L | 10 | 45 | 10 | 40 | 10 | 42 | |
| 2 | R | 10 | 38 | 0 | 38 | 5 | 38 |
| L | 15 | 35 | 10 | 37 | 10 | 35 | |
| 3 | R | 15 | 43 | 5 | 40 | 10 | 40 |
| L | 15 | 43 | 5 | 42 | 5 | 33 | |
| 4 | R | 10 | 45 | 5 | 42 | 10 | 42 |
| L | 5 | 43 | 10 | 42 | 5 | 37 | |
| 5 | R | 10 | 45 | 10 | 42 | 10 | 40 |
| L | 15 | 43 | 10 | 43 | 15 | 40 | |
| 6 | R | 10 | 42 | 0 | 43 | 5 | 42 |
| L | 5 | 43 | 5 | 43 | 10 | 43 | |
| 7 | R | 10 | 45 | 5 | 38 | 5 | 42 |
| L | 15 | 40 | 5 | 38 | 5 | 35 | |
| χ±s | 11±3.63 | 42±2.90 | 6±3.63 | 41±2.13 | 9±3.63 | 39±3.24 | |
| −21.592 | −30.796 | −31.404 | |||||
| 0.000 | 0.000 | 0.000 | |||||
| No. – number; R – right; L – left; N – mo masking; M – with masking. | |||||||