Statistical Methods
Values were presented as mean and standard deviation, and Categorical variables were represented by percentage and prevalence. Comparison between patients who developed AF post cardiac surgery and those who did not was conducted using t- test or Mann Whitney U for the continues data, and Chi Squared Test for categorical data. Logistic regression analysis was used for identifying pre and intraoperative risk factors for developing AF post cardiac surgery.
Kaplan Meir survival curve was utilized for evaluating the prevalence of AF post-surgery based on the history of pre-surgery AF. P value of less than 0.05 was considered statistically significant.