Statistical analysis
REGRESSION, EVENT
Continuous variables are reported as means with ± SD (standard deviations), and for analyzing differences between groups independent samples t-tests were used. For categorical variables numbers and percentages were used to present data, and the chi-squared test applied to analyze differences between groups. Missing values are presented, and for categorical variables proportion of non-missing values are reported. Kaplan–Meier curve for composite endpoint-free survival after the index event (MI or PCI/CABG) in the study period was estimated for both sexes in either of study groups. Hazard ratios (HRs) with 95% confidence intervals (CIs) were calculated by Cox regression. A 