an increasing trendP = .001
Within the MVR cohort, there was an increasing trend in the incidence of postoperative atrial fibrillation (24.8% in 2011 vs 33.2% in 2022; P = .001) compared with the MV repair cohort, which exhibited a relatively stable trend (23.2% in 2011 vs 28.6% in 2022; P = .17) (eFigure 5 in Supplement 1 ).