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Table 2 Perioperative Data of matched pairs

From: Does full sternotomy have more significant impact than the cardiopulmonary bypass time in patients of mitral valve surgery?

Variable Sternotomy (n = 165) MIMVS(n = 165) p Value
Cross-clamp time, minutes 49 ± 11 65 ± 13 0.0000
Bypass time, minutes 88 ± 17 99 ± 25 0.0000
Mitral valve repair 52(31.5%) 50(30.3%) 0.657
Ventilation time, hours 10.4 ± 2.7 6.2 ± 1.1 0.0000
New onset of AF, n 51(30.9%) 43(26.1%) 0.329
Stroke, n 2(1.2%) 3(1.8%) 1.000
Blood transfusion, n 67(40.6%) 26(15.7%) 0.000
Reoperation for bleeding, n 4(2.4%) 1(0.6%) 0.367
Drainage Postoperative 6 h(ml) 175 ± 50 30 ± 5 0.0000
Drainage Postoperative 24 h(ml) 400 ± 150 120 ± 20 0.0000
Deep wound infection, n 6(3.6%) 0 0.039
Prolonged ventilation(>24 h) 10(6.1%) 3(1.8%) 0.048
Intensive care unit stay (h) 30.6 ± 19.5 24.3 ± 9.7 0.0002
Postoperative length of stay(days) 10.5 ± 2.0 8.0 ± 1.0 0.0000
In-hospital mortality 2(1.2%) 1(0.6%) 1.000
  1. AF = atrial fibrillation