作者
Timothy S Lancaster, Matthew R Schill, Jason W Greenberg, Chawannuch Ruaengsri, Richard B Schuessler, Jennifer S Lawton, Hersh S Maniar, Michael K Pasque, Marc R Moon, Ralph J Damiano Jr, Spencer J Melby
发表日期
2018/5/1
期刊
The Annals of thoracic surgery
卷号
105
期号
5
页码范围
1336-1343
出版商
Elsevier
简介
Background
The recently developed American College of Cardiology Foundation–Society of Thoracic Surgeons (STS) Collaboration on the Comparative Effectiveness of Revascularization Strategy (ASCERT) Long-Term Survival Probability Calculator is a valuable addition to existing short-term risk-prediction tools for cardiac surgical procedures but has yet to be externally validated.
Methods
Institutional data of 654 patients aged 65 years or older undergoing isolated coronary artery bypass grafting between 2005 and 2010 were reviewed. Predicted survival probabilities were calculated using the ASCERT model. Survival data were collected using the Social Security Death Index and institutional medical records. Model calibration and discrimination were assessed for the overall sample and for risk-stratified subgroups based on (1) ASCERT 7-year survival probability and (2) the predicted risk of mortality (PROM …
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TS Lancaster, MR Schill, JW Greenberg, C Ruaengsri… - The Annals of thoracic surgery, 2018