BACKGROUND: Adjustment for case-mix is essential when using observational data to
compare surgical techniques or providers. That is most often accomplished through the use of …

BACKGROUND: The first version of The Society of Thoracic Surgeons National Adult Cardiac
Surgery Database (STS NCD) was developed nearly 2 decades ago. Since its inception, …

BACKGROUND: Since 1999, The Society of Thoracic Surgeons (STS) has published two
risk models that can be used to adjust the results of valve surgery combined with coronary …

Objective To examine changes in representation of women among first authors of original
research published in high impact general medical journals from 1994 to 2014 and investigate …

Background An abdominal aortic aneurysm (AAA) is an abnormal ballooning of the major
abdominal artery. Some AAAs present as emergencies and require surgery; others remain …

Background. An epidemiological link between respiratory infection and acute myocardial
infarction (AMI) has been suggested, and recent data indicate that there is an association …

Background Platelets are inflammatory cells with an important role in antimicrobial host
defenses. We speculate that an abnormal platelet count may be a marker of severity in patients …

BACKGROUND Older women, and older minorities in particular, are under represented in
breast cancer trials. Although socioeconomic status (SES) is associated with both race and …

Background This study’s objective was to develop a risk model incorporating procedure
type and patient factors to be used for case-mix adjustment in the analysis of hospital-specific …

Background— The advancing age and generally increasing risk profile of patients receiving
isolated coronary artery bypass graft (CABG) surgery is expected to raise incidence of new-…