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Table 2 Operative characteristics

From: Should bioprostheses be considered the valve of choice for dialysis-dependent patients?

Variable Group B (n = 38) Group M(n = 35) P-value
Cross-clamp time (min) 98 ± 21 101 ± 22 NS
Cardiopulmonary bypass time (min) 132 ± 30 136 ± 33 NS
Operative time (min) 213 ± 42 210 ± 48 NS
Aortic valve replacement 18(47.4%) 15(42.9%) NS
Mitral valve replacement 15(39.5%) 13(37.1%) NS
Aortic + mitral valve replacement 4(10.5%) 5(14.3%) 0.035
Tricuspid + mitral valve replacement 1(2.6%) 1(2.9%) NS
  1. Group B, Biprosthesis valve; Group M, Mechanical valve; NS, not significant.