2.6 Informed Consent
The protocol was approved by [removed for blind peer review] and in concordance with the Helsinki Declaration. All patients provided written informed consent.
Results
3.1 ClinicalCharacteristics of Patients with SSNHL
A total of 52 patients were enrolled in our study, including 29 (55.77%) male and 23 (44.23%) female, with an average age of 47.12 years (SD:16.93, range 15-76). All patients suffered from unilateral hearing loss, while 84.6% and 17.3% of patients accompanied with tinnitus and vertigo, respectively. The left to right ratio was 25:27. The PTA average in patients prior to treatment was 65.07dB (SD 27.61, range 10.00-121.50), while the average following treatment turned to 43.22dB (SD 29.89, range 2.50-116.25). Based on the initial PTA, 9, 8, 19, and 16 patients were divided into the ascending, descending, horizontal and profound group, respectively. And refer to their final PTA, 20 patients got NR, whereas 7, 14, 11 patients had CR, MI, PI, respectively. (data shown in Table. Ⅱ)