Comment on

• Prediction of survival after coronary revascularization: modeling short-term, mid-term, and long-term survival.

  MacKenzie TA, Malenka DJ, Olmstead EM, Piper WD, Langner C, Ross CS, O'Connor GT; Northern New England Cardiovascular Disease Study Group. MacKenzie TA, et al. Ann Thorac Surg. 2009 Feb;87(2):463-72. doi: 10.1016/j.athoracsur.2008.09.042. Ann Thorac Surg. 2009. PMID: 19161761