Objective:To investigate the short-term efficacy and prognostic factors of severe to profound sudden sensorineural hearing loss(SSNHL) in pediatric patients. Methods:A retrospective analysis was conducted on the clinical data of 87 children with severe to profound SSNHL who were admitted to our department between January 2014 and December 2024. Hearing changes were evaluated 10 days after treatment initiation. Pearson's chi-square test was used to compare intergroup differences in categorical variables, including gender, affected side, vertigo, tinnitus, early combined use of batroxobin, degree of hearing loss, and upper respiratory tract infection. The Mann-Whitney U test was used to analyze intergroup differences in continuous variables, including age and duration of hearing loss. Univariate and multivariate logistic regression analyses assessed the short-term therapeutic efficacy and its influencing factors in severe and profound SSNHL. Grouped stacked bar charts and grouped box plots explored the relationship between significant influencing factors and therapeutic response rate. Results:Pearson's chi-square test and Mann-Whitney U test revealed that gender, age, duration of hearing loss, and early combined use of batroxobin were significantly associated with the therapeutic response rate of severe and profound SSNHL in children(P<0.05). No statistically significant differences in therapeutic response rate were observed among groups with affected side, tinnitus, vertigo, degree of hearing loss, or upper respiratory tract infection(P>0.05). Univariate logistic regression analysis indicated that age, gender, duration of hearing loss, and early combined use of batroxobin were influencing factors for the therapeutic efficacy of severe and profound SSNHL in children. Multivariate logistic regression analysis further demonstrated that duration of hearing loss was negatively correlated with the response rate, whereas female gender, older age, and early combined use of batroxobin were positively correlated with the response rate. Grouped stacked bar charts showed that the response rate was higher in females, and higher in patients with early batroxobin administration. Grouped box plots indicated that a shorter duration of hearing loss was associated with a more concentrated distribution of response rates, and older age was also correlated with a more concentrated distribution of response rates. Conclusion:Gender, age, early combined use of batroxobin, and duration of hearing loss are independent influencing factors for the short-term treatment of severe and profound SSNHL in children.