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Table 2 Surgery

From: Comparison of clinical outcomes in patients undergoing mitral valve replacement with mechanical or biological substitutes: a 20 years cohort

Variables n Total sample Mechanical valve (n = 247) Biological valve (n = 105) p
Total surgical time (min) - mean ± SD 348 183.2 ± 61.2 175.5 ± 60.0* 202.5 ± 60.5 < 0.001
ECC time (min) - mean ± SD 352 76.5 ± 33.2 75.4 ± 34.7 79.2 ± 29.4 0.322
ECC > 120 min - n (%) 352 35 (9.9) 20 (8.1) 15 (14.3) 0.114
Ischemia time (min) - mean ± SD 350 57.6 ± 25.4 57.2 ± 24.7 58.4 ± 27.0** 0.691
  1. SD, standard deviation; ECC, extracorporeal circulation; min, minutes.
  2. *n = 243; **n = 103.