2.9 Statistical analysis
The data was compiled using the Common Otology Audit database and analysed using SPSS 27. Data are summarised as means +/- standard deviation (SD) for numerical values and count and percentages for categorical variables. The student t-test was used for continuous data and categorical variables were compared using the chi-square and Fischer’s exact test as appropriate. A p-value of <0.05 was considered statistically significant.
3. Results