Table 1

Characteristics and outcome of the population overall and according to the aetiology of the regurgitation

OverallDMR (n=7726)SMR (n=3015)P value between DMR and SMROther/Unclassified (n=7639)
Age66±1266±1267±11<0.000166±12
Male gender10 451 (59)4535 (60)1662 (57)0.0044554 (60)
Charlson Comorbidity Index1.49±2.100.83±1.342.01±2.16<0.00011.95±2.42
Charlson Comorbidity Index ≥26325 (35)1454 (19)1443 (43)<0.00013428 (45)
Isolated mitral valve surgery9522 (52)5302 (70)1431 (49)<0.00013429 (45)
Mitral valve repair10 041 (55)5190 (68)1141 (39)<0.00013929 (49)
Public hospital12 840 (71)4748 (67)2343 (80)<0.00015749 (75)
Length of stay, total17±1514±919±16<0.000120±18
Length of stay, intensive care unit9±127±710±13<0.000110±14
In-hospital mortality1183 (6.5)258 (3.4)229 (7.8)<0.0001696 (9.1)
  • DMR, degenerative mitral regurgitation; SMR, secondary mitral regurgitation.