Table 1 Patient demographic data
Variables | Control group (n = 50) | DeVega group (n = 27) | Kay group (n = 12) | P |
|---|---|---|---|---|
Age (years) | 53.0 ± 13.6 | 49.8 ± 10.9 | 49.7 ± 15.9 | 0.511 |
Sex | Â | Â | Â | 0.327 |
   Male | 20 (40) | 9 (33) | 2 (17) |  |
   Female | 30 (60) | 18 (67) | 10 (83) |  |
   Medical history |  |  |  | 0.496 |
   Rheumatic heart disease | 26 (52) | 18 (67) | 9 (75) |  |
   Mitral insufficiency | 22 (44) | 9 (33) | 3 (25) |  |
   Coronary heart disease | 2 (4) | 0 (0) | 0 (00) |  |
Heart function before surgery (NYHA class) | Â | Â | Â | 0.317 |
   I | 20 (40) | 9 (33) | 4 (33) |  |
   II | 22 (44) | 14 (52) | 3 (25) |  |
   III | 8 (16) | 4 (15) | 5 (42) |  |
Bicuspid valve replacement | Â | Â | Â | 0.167 |
   Mechanical prosthesis | 33 (66) | 23 (85) | 8 (67) |  |
   Biovalve | 17 (34) | 4 (15) | 4 (33) |  |