Data Analysis
Statistical analysis was performed with Chi squared and Fisher’s exact
test for categorical values to assess correlation between the variables
in question and postoperative complications. An alpha level of 0.05 was
determined for bivariate analyses and alpha levels of 0.05 and 0.10 were
used for multivariable models. Further logistic regression models were
utilized to categorize the strength of the correlations. All statistical
analyses were performed in R studio and figures were created in
Microsoft Excel or R Studio.