Overall | DMR (n=7726) | SMR (n=3015) | P value between DMR and SMR | Other/Unclassified (n=7639) | |
Age | 66±12 | 66±12 | 67±11 | <0.0001 | 66±12 |
Male gender | 10 451 (59) | 4535 (60) | 1662 (57) | 0.004 | 4554 (60) |
Charlson Comorbidity Index | 1.49±2.10 | 0.83±1.34 | 2.01±2.16 | <0.0001 | 1.95±2.42 |
Charlson Comorbidity Index ≥2 | 6325 (35) | 1454 (19) | 1443 (43) | <0.0001 | 3428 (45) |
Isolated mitral valve surgery | 9522 (52) | 5302 (70) | 1431 (49) | <0.0001 | 3429 (45) |
Mitral valve repair | 10 041 (55) | 5190 (68) | 1141 (39) | <0.0001 | 3929 (49) |
Public hospital | 12 840 (71) | 4748 (67) | 2343 (80) | <0.0001 | 5749 (75) |
Length of stay, total | 17±15 | 14±9 | 19±16 | <0.0001 | 20±18 |
Length of stay, intensive care unit | 9±12 | 7±7 | 10±13 | <0.0001 | 10±14 |
In-hospital mortality | 1183 (6.5) | 258 (3.4) | 229 (7.8) | <0.0001 | 696 (9.1) |
DMR, degenerative mitral regurgitation; SMR, secondary mitral regurgitation.