title: Is it gender, methodology, or something else?
authors.forename: Colleen
authors.initials: C
authors.lastname: Gorman Koch
authors.forename: Christina
authors.initials: C
authors.lastname: Mora Mangano
authors.forename: Nanette
authors.initials: N
authors.lastname: Schwann
authors.forename: Viola
authors.initials: V
authors.lastname: Vaccarino
mesh_terms: D001026:Coronary Artery Bypass / Q000379:methods; D005260:Female; D006801:Humans; D008297:Male; D015233:Models, Statistical; D012737:Sex Factors; D016896:Treatment Outcome