Abstract:Objective To explore the prognostic factors via analyzing the general clinical features of unilateral total sudden deafness.Methods Clinical data of 127 patients with unilateral total sudden deafness treated in our department from Sept 2019 to May 2021 were analyzed retrospectively. The studied data included general conditions, concomitant symptoms and diseases, hearing characteristics, laboratory examinations, treatment effect, etc. Chi-square test and multivariate binary Logistic regression were used to analyze the influences of patients' gender and age, affected ear side, the time before treatment, concomitant diseases (hypertension, diabetes, heart disease), accompanying symptoms (tinnitus, vertigo/dizziness), and laboratory tests (folic acid, vitamin B12, homocysteine) on prognosis.Results The total effective rate of the 127 cases was 41.73%. Among them, 113 (88.98%) were accompanied by tinnitus, 91(71.65%) by vertigo. Univariate analyses revealed that patients' age (P=0.016), the time before treatment (P=0.003), and accompanied vertigo/dizziness (P=0.017) were significantly associated with the prognosis. However, there were no statistical significances in the influences of patients' gender, affected ear side, concomitant basic diseases (hypertension, diabetes, heart disease), tinnitus and laboratory tests (folic acid, vitamin B12, high homocysteine) on prognosis. Multivariate analyses showed that the time before treatment (P=0.006) and concomitant vertigo/dizziness (P=0.037) were independent risk factors for prognosis. The group with the time before treatment ≥ 3 days had an odds ratio of 0.311 in effective rate compared with the group with the time before treatment<3 days (OR=0.311, 95%CI=0.134-0.720, P=0.006). The odds ratio of effective rate between the group with vertigo/dizziness and that without vertigo/dizziness was 0.385 (OR=0.385, 95%CI=0.157-0.944, P=0.037).Conclusions Unilateral total sudden deafness is often accompanied by tinnitus and vertigo/dizziness. The age ≥ 40 years, the time before treatment ≥ 3 days and concomitant vertigo/dizziness suggest poor prognosis. And the latter two are independent risk factors, which can provide theoretical basis for clinical prognosis evaluation and treatment of unilateral total sudden deafness.