Table 4

Risk factors associated with re-intervention

Re-PVRUnivariate analysisMultivariate analysis
108 events, 2732 patientsSHR (95% CI), p valueSHR (95% CI), p value
Male gender1.47 (0.97 to 2.21), 0.071.59 (1.03 to 2.46), 0.04*
Ethnicity
 Whiterefref
 Black3.70 (1.71 to 8.02), 0.001*3.88 (1.76 to 8.54), 0.001*
 Asian1.05 (0.33 to 3.37), 0.941.15 (0.36 to 3.65), 0.81
 Other/non stated1.05 (0.70 to 1.57), 0.821.04 (0.68 to 1.58), 0.87
Deprivation
 Less deprived <20%ref
 Less deprived 20%–50%1.10 (0.62 to 1.98), 0.74
 More deprived 20%–50%1.04 (0.57 to 1.88), 0.91
 Most deprived <20%1.55 (0.83 to 2.87), 0.17
Age at first operation
 <16 yearsref
 ≥16 years0.87 (0.58 to 1.29), 0.48
Time period
 Before 2006ref
 2006 or after0.90 (0.61 to 1.32), 0.58
Complexity of diagnosis
 Moderaterefref
 Severe1.91 (1.25 to 2.93), 0.003*1.91 (1.25 to 2.91), 0.003*
Procedures, N(%)
 Homograft valveref
 Xenograft valve1.21 (0.77 to 1.90), 0.40
 Mechanical valve1.17 (0.65 to 2.09), 0.60
 Percutaneous valve1.59 (0.76 to 3.35), 0.22
  • * p value ≤ 0.05

  • Re-PVR, re-pulmonary valve replacement, ref, reference group; SHR, subdistribution HRs.