Variable MVr (n = 164) MVR (n = 229) P-value
Concomitant CABG 154 (94) 211 (92) 0.5
Tricuspid valve surgery 8 (5) 8 (3) 0.5
MAZE procedure 1 (1) 2 (1) 0.8
Atrial septal defect closure 7 (4) 15 (7) 0.3
Cardiopulmonary bypass time (min) 120.9 ± 32.65 147.7 ± 43.79 <0.0001
Cross clamp time (min) 96.84 ± 26.18 114.0 ± 35.69 <0.0001
Intra-aortic balloon pump. 12 (7) 58 (25) <0.0001
Inotropes 108 (66) 176 (78) 0.01
Low cardiac output syndrome. 17 (10) 49 (22) 0.003