Number (No.) of new cases, population-at-risk, and estimated hazard ratios (HR), 95% confidence intervals (CI) estimated from multivariate Cox regression model on a random sample of the National Health Insurance Research Database among women with hormone replacement therapy stratified by age and fo

*HRT, hormone replacement therapy; Other types, including mixed combinations of the above types (estrogen-progesterone combination, estrogen-alone) and progesterone only.
With last use of hormones more than 6 years ago as the referents, we tested different periods of last use and the potential dose-response relationship with an increment of 30 DDD (defined daily dose) among current users.