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Hospital variability in length of stay after coronary artery bypass surgery: results from the Society of Thoracic Surgeon’s National Cardiac Database 

Published byPierce Cummings Modified over 6 years ago

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Presentation on theme: "Hospital variability in length of stay after coronary artery bypass surgery: results from the Society of Thoracic Surgeon’s National Cardiac Database "— Presentation transcript:

1 Hospital variability in length of stay after coronary artery bypass surgery: results from the Society of Thoracic Surgeon’s National Cardiac Database  Eric D Peterson, MD, MPH, Laura P Coombs, PhD, T.Bruce Ferguson, MD, A.Laurie Shroyer, PhD, Elizabeth R DeLong, PhD, Fred L Grover, MD, Fred H Edwards, MD  The Annals of Thoracic Surgery  Volume 74, Issue 2, Pages (August 2002) DOI: /S (02)

2 Fig 1 Frequency distribution on postoperative length of stay (PLOS) (by day) for patients undergoing isolated coronary artery bypass graft surgery. Filled bars represent the percentage of overall accounted for by survivors; open bars represent nonsurvivors. The Annals of Thoracic Surgery  , DOI: ( /S (02) )

3 Fig 2 Calibration curves for early discharge and prolonged stay models. (A) Actual versus predicted percentage of patients discharged early (ie, within 5 days) across 10 risk groups in our validation sample (n = 98,804 patients). (B) Actual versus predicted percentage of patients with prolonged stay (postoperative length of stay >14 days) across 10 risk groups in our validation sample. Diagonal lines in each represent perfect agreement. The Annals of Thoracic Surgery  , DOI: ( /S (02) )

4 Fig 3 Association between a center’s influence on patients’ likelihood for prolonged hospital stay and a center’s influence on patients’ likelihood for procedural mortality (based on hierarchical analysis). Spearman correlation coefficient for association = 0.35. The Annals of Thoracic Surgery  , DOI: ( /S (02) )

5 Fig 4 Association between a center’s influence on patients’ likelihood for early discharge and a center’s influence on patients’ likelihood for procedural mortality (based on hierarchical analysis). Spearman correlation coefficient for association = −0.15. The Annals of Thoracic Surgery  , DOI: ( /S (02) )

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