conclusions in our center, prolonged length of stay in the icu correlated positively with euro score. the overall predictive performance of euro score is acceptable and provides both surgeons and intensivists with a good estimate of patient risk in terms of icu stay. background risk stratification models allow preoperative assessment of individual patients cardiac surgical risk and enable analy...

conclusions according to the results of this study, it is necessary to implement educational intervention in order to allow students to identify risk factors and overcome barriers to understanding the implications of the disease in this context. background hepatitis b is the most common cause of liver disease, and medical students are a risk group for the disease given their future occupations....

Propensity scores are increasingly being used in large sample studies to control for pregroup differences. Because these scores are often used to match cases, they can result in sample attrition. In smaller sample studies, such attrition leaves too few cases for meaningful analysis. Alternatives when working with small samples are to use propensity scores as covariates to control for pre-group ...