Letter by Diamond Regarding Article, “Bayesian Methods Affirm the Use of Percutaneous Coronary Intervention to Improve Survival in Patients With Unprotected Left Main Coronary Artery Disease”
To the Editor:
I read with interest the recent report by Bittl et al1 describing a Bayesian meta-analysis of all-cause mortality in patients with unprotected left main coronary artery disease after coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI), which “suggested the equivalence of CABG and PCI,” and thereby justified the assignment of a Class IIa guideline recommendation in support of the latter. In my opinion, this affirmation is not supported by these analyses.
The authors begin by reporting a 95% credible interval ranging from 0.74 to 1.39 for the posterior odds …