Table 4

HRs for adverse clinical outcomes according to surgical procedures: repair versus replacement

All cohort (n=1731)Propensity score matching (n=376, 1:1 matching)
Repair n=294Mechanical n=1134Bioprosthetic n=303HR*95% CIP valueHR*95% CIP value
Adverse outcomes
 Early mortality, n (%)5 (1.7)49 (4.3)20 (6.6)0.340.12 to 0.780.020.590.12 to 2.450.92
 Overall mortality, n (%/PY)31 (1.45)167 (2.5)85 (5.34)0.450.31 to 0.65<0.0010.530.26 to 1.040.07
 Valve-related complications, n (%/PY)37 (2.40)173 (4.05)46 (3.57)0.630.44 to 0.890.010.440.26 to 0.760.003
  Reoperation, n (%/PY)18 (0.86)23 (0.59)11 (0.43)1.891.06 to 3.350.032.700.87 to 8.300.08
  Thromboembolic events, n (%/PY)13 (0.99)97 (2.41)21 (2.47)0.430.24 to 0.760.0040.390.18 to 0.820.01
  Haemorrhagic events, n (%/PY)5 (0.56)73 (1.23)15 (0.62)0.210.09 to 0.530.0010.120.03 to 0.510.004
  Infective endocarditis, n (%/PY)5 (0.65)14 (0.33)5 (0.31)0.990.37 to 2.690.994.160.65 to 26.50.13
  • *ORs were calculated for the early mortality analysis and HRs for all other outcomes (HR of the replacement group is 1.00).

  • PY, person-years.