Table 2.
Comparison of the groups regarding simultaneous surgeries, CPB time, cross-clamp time and mortality data
| Parameters | Group-1 (n = 156) | Group-2 (n = 60) | Group-3 (n = 122) | Group-4 (n = 41) | Total (n = 379) | Test Statistics | |
|---|---|---|---|---|---|---|---|
| Simultaneous Surgeries | Mitral valve surgery | 156 (100.0%) | 60 (100.0%) | 108 (88.5%) | 29 (70.7%) | 353 (93.1%) | p:0.001* |
| Aortic valve surgery | 23 (14.7%) | 7 (11.7%) | 38 (31.1%) | 6 (14.6%) | 74 (19.5%) | p:0.013 * | |
| ASD repair | 12 (7.7%) | 6 (10.0%) | 21 (17.2%) | 12 (29.3%) | 51 (13.5%) | p:0.001 * | |
| Coronary artery bypass | 11 (7.1%) | 4 (6.7%) | 15 (12.3%) | 9 (22.0%) | 39 (10.3%) | p:0.027 * | |
| Ascending aortic surgery | 4 (2.6%) | 4 (6.7%) | 3 (2.5%) | 2 (4.9%) | 13 (3.4%) | p:0.414 * | |
| VSD repair | 0 (0.0%) | 0 (0.0%) | 3 (2.4%) | 0 (0.0%) | 3 (0.8%) | p:0.383 * | |
| CPB time in minutes | 120.7 ± 34.4 | 116.9 ± 36.1 | 134.3 ± 36.8 | 128.2 ± 46.2 | 125.3 ± 37.4 | p:0.001 * | |
| Cross clamp time in minutes | 85.6 ± 26.8 | 79.2 ± 29.4 | 99.7 ± 28.5 | 90.8 ± 30.7 | 89.7 ± 29.1 | p:0.001 * | |
| Inotrope requirement | 81 (51.9%) | 30 (50.0%) | 85 (69.7%) | 22 (53.7%) | 218 (57.5%) | p:0.012 ** | |
| Total follow-up time (months) | 41.1 ± 21.5 | 40.8 ± 20.6 | 27.3 ± 12.1 | 31.7 ± 14.4 | 35.6 ± 19.1 | p:0.001 | |
| First 30-day mortality | 13 (8.3%) | 3 (5.0%) | 1 (0.8%) | 0 (0.0%) | 17 (4.5%) | p:0.011 | |
| Total mortality | 24 (15.4%) | 7 (11.7%) | 13 (10.7%) | 3 (7.3%) | 47 (12.4%) | p:0.453 | |
| 5-year survival | 132 (84.6%) | 54 (90.0%) | 109 (89.3%) | 38 (92.7%) | 333 (87.9%) | p:0.400 | |
ASD: Atrial septal defect, VSD: Ventricular septal defect, CPB: Cardiopulmonary bypass
*Kruskal-Wallis test **Chi-Square test