1. A complexity scoring system for degenerative mitral valve repair
Anelechi C. Anyanwu, MD, Shinobu Itagaki, MD, Joanna Chikwe, MD, Ahmed El-Eshmawi, MD, David H. Adams, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 151, Issue 6, Pages (June 2016)
DOI: /j.jtcvs
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1 Distribution of complexity scores.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Technique scores (mean and standard error [bars]) according to complexity score.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

4. Mitral complexity scores
Mitral complexity scores. Score, 1 is Simple; 2 to 4 Intermediate; 5 or more Complex.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions