Table 1 Preoperative and intraoperative data on the two patient groups
Valuables | Group A(n = 172) | Group B(n = 87) | P value |
|---|---|---|---|
Valve diseases * | Â | Â | Â |
 Mitral stenosis(n, %) | 53 (30.81) | 33 (37.93) | 0.251 |
 Mitral insufficiency(n, %) | 75(43.60) | 38 (43.68) | 0.991 |
 Aortic stenosis(n, %) | 66(38.37) | 40 (45.98) | 0.240 |
 Aortic insufficiency(n, %) | 68(39.53) | 32 (36.78) | 0.667 |
 Tricuspid insufficiency(n, %) | 58(33.72) | 30 (34.48) | 0.903 |
Preoperative EF (%) | 60.73 ± 6.37 | 60.08 ± 8.25 | 0.523 |
Surgical procedure | Â | Â | Â |
 Aortic valve | 41 (23.84) | 23 (26.44) | 0.852 |
 Mitral valve | 55 (31.98) | 21 (24.14) | 0.417 |
 Tricuspid valve | 5 (2.91) | 2 (2.30) | 0.954 |
 Combined valvular surgery | 71 (41.27) | 41 (47.12) | 0.537 |
Surgical data | Â | Â | Â |
 Operative time (min) | 149.73 ± 34.34 | 147.01 ± 36.05 | 0.554 |
 Circulation bypass time(min) | 70.55 ± 19.56 | 72.63 ± 20.09 | 0.424 |
 Aortic Clamp time (min) | 37.59 ± 6.37 | 37.82 ± 14.28 | 0.900 |