… hierarchy of increasing complexity and abstraction [25]. DL is … Databases, to data from claims
from the Centers of Medicare … patients undergoing CABG had better outcomes than those …

… Aortocoronary bypass surgery is an open-heart procedure that involves a significant … (Italy)
[35]; in this case, a bicentric study was conducted comparing the results of two hospitals. In …

… , as seen in results from dedicated high-volume centres. … A Bayesian hierarchical NMA
was then performed using the “… However, this study did not demonstrate a reduction in risk of …

… CABG at 16 centers of cardiac surgery in 6 European countries (England, Finland, France,
Germany, Italy, … A hierarchical model was formed using unique hospital identification numbers …

… logistic regression and hierarchical quantile regression. … surgery (for example, combined
CABG and valve surgery 26.8… ‘hubs and spoke systems’ similar to that implemented in Italy [18…

… bypass grafting (CABG) included in the Italian nationwide … Our results are in contrast with
those of a large cohort study by … of adjustment for the centre effect with frailty models as well as …

… within the Current Research Activities envisaged for Italian regions, … Therefore, patients
enrolled in the IT-CABG study prior to … among centers was observed also in the present study. …

… Employing hierarchical models, we identified the patient … Coronary artery bypass graft (CABG)
or coronary bypass surgery… counts of hospitals across the years is obtained from the Italian …

… trial conducted at 31 centers in 7 countries to separately … The 6 activities used in this evaluation
were related hierarchically. … coronary artery bypass grafting (CABG) cases, using any of: …

… We computed the area under the hierarchical summary … on data from studies centered on
CABG surgery. For the second … -center study of 7,115 patients undergoing isolated CABG, …