1. The society of thoracic surgeons: 30-day operative mortality and morbidity risk models 
A.Laurie W Shroyer, PhD, Laura P Coombs, PhD, Eric D Peterson, MD, Mary C Eiken, MSN, Elizabeth R DeLong, PhD, Anita Chen, MS, T.Bruce Ferguson, MD, Frederick L Grover, MD, Fred H Edwards, MD 
The Annals of Thoracic Surgery 
Volume 75, Issue 6, Pages (June 2003)
DOI: /S (03)

2. Fig 1
(A) Thirty-day operative mortality risk model calibration. (B) Stroke risk model calibration. (C) Reoperation risk model calibration. (D) Prolonged ventilation risk model calibration. (E) Renal failure risk model calibration. (F) Deep sternal wound infection risk model calibration.
The Annals of Thoracic Surgery  , DOI: ( /S (03) )

3. Fig 2
Composite endpoint (either 30-day operative mortality or complication) risk model calibration.
The Annals of Thoracic Surgery  , DOI: ( /S (03) )

4. Fig 3
(A) Mortality observed-to-expected (O/E) ratio versus stroke O/E ratio by hospital. (B) Mortality O/E ratio versus reoperation O/E ratio by hospital. (C) Mortality O/E ratio versus prolonged ventilation O/E ratio by hospital. (D) Mortality O/E ratio versus renal failure O/E ratio by hospital. (E) Mortality O/E ratio versus deep sternal wound infection O/E ratio by hospital.
The Annals of Thoracic Surgery  , DOI: ( /S (03) )