1. Stage I Norwood: Optimal technical performance improves outcomes irrespective of preoperative physiologic status or case complexity 
John M. Karamichalis, MD, Ravi R. Thiagarajan, MBBS, MPH, Hua Liu, MS, Petra Mamic, BS, Kimberlee Gauvreau, ScD, Emile A. Bacha, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 139, Issue 4, Pages (April 2010)
DOI: /j.jtcvs
Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Subgroup analysis by technical performance score and preoperative Pediatric Risk of Mortality (pre-op PRISM) III score or Aristotle score versus mortality.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Pediatric Risk of Mortality (PRISM) score 24hours postoperative (post-op) and technical performance score.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions