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Table 2 Perioperative Parameters and Postoperative Outcomes

From: Improved operative and recovery times with mini-thoracotomy aortic valve replacement

   Surgical Approach  
MT (n = 267) MS (n = 120) CS (n = 116) p-value
Valve Type 0.21
 Bioprosthetic Valve, n (%) 261 (97.8) 118 (98.3) 110 (94.8)  
 Mechanical Valve, n (%) 6 (2.25) 2 (1.67) 6 (5.17)  
CPB time (min), median (IQR) 82 (67–113) 117 (94–140) 103 (86–133) 0.0001
Aortic X-clamp (min), median (IQR) 58 (48–85) 91 (69–108) 71 (57–100) 0.0001
Conversions, n (%) 10 (3.8) 6 (5.0) N/A 0.59
ICU LOS (hours), median (IQR) 22 (17–31) 25 (18–49) 31 (22–68) < 0.05
Postop LOS (days), median (IQR) 5 (4–7) 6 (4–9) 6 (4–10) < 0.05
Total LOS (days), median (IQR) 6 (5–9) 7 (5–15) 9 (6–16) < 0.05
Prolonged Vent time, n (%) 10 (3.8) 11 (9.2) 15 (12.9) < 0.01
Stroke, n (%) 2 (0.8) 1 (0.8) 1 (0.9) 1.0
Reoperation, n (%) 7 (2.6) 6 (5.0) 3 (2.6) 0.44
Atrial fibrillation, n (%) 62 (23.2) 37 (30.8) 32 (27.6) 0.26
Renal Failure, n (%) 8 (3.0) 6 (5.0) 6 (5.2) 0.44
Deep Sternal Infection, n (%) 0 0 0  
30-day Mortality, n (%) 4 (1.5) 2 (1.7) 6 (5.2) 0.13
  1. Abbreviations: MT Mini-thoracotomy, MS Mini-sternotomy, CS conventional sternotomy, CPB cardiopulmonary bypass, IQR interquartile range, ICU intensive care unit, LOS length of stay, Postop postoperative