Table 1 Patient Characteristics

n

273

43

Age (median ± SD)

60.1 ± 9.4

57.9 ± 8.6

0.13

Female

197(72.2%)

30(70%)

0.72

NYHA III+IV

152(55.7%)

29(67.4%)

0.18

Valvular Pathology

   Rheumatic

211(77.3%)

31(72.1%)

0.44

   Degenerative

56(20.5%)

8(18.6%)

>0.999

   Ischaemic

4(1.5%)

1(2.3%)

0.52

   Endocarditis

2(0.7%)

3(7.0%)

0.02

Mitral valve lesion

   Stenosis

94(34.4%)

21(48.8%)

0.088

   Regurgitation

73(26.7%)

9(20.9%)

0.46

   Mixed

99(36.3%)

7(16.3%)

0.009

   Unknown

7(2.6%)

6(14%)

Aortic valve lesion

   Stenosis

66(24.2%)

16(37.2%)

0.09

   Regurgitation

88(32.2%)

9(20.9%)

0.16

   Mixed

113(41.4%)

16(37.2%)

0.74

   Unknown

6(2.2%)

2(4.7%)

Patient Years

1993

381