Table 5.

Fine and Gray (subdistribution relative hazard) and Cox (cause-specific relative hazard) regression models (event of interest: transfer to HD)

CovariateModel 1Model 2
Cox Model: Cause-Specific RH (95% CI)Fine and Gray Model: Subdistribution RH (95% CI)Cox Model: Cause-Specific RH (95% CI)Fine and Gray Model: Subdistribution RH (95% CI)
Failed transplantation1.61 (1.29–2.00)1.72 (1.39–2.17)1.61 (1.29–2.00)1.73 (1.39–2.17)
HD before PD1.29 (1.16–1.43)1.27 (1.14–1.40)1.29 (1.16–1.43)1.26 (1.14–1.40)
Early peritonitis1.55 (1.14–2.09)1.45 (1.06–1.97)1.55 (1.14–2.09)1.45 (1.06–1.97)
Center size: >20 patients per year0.90 (0.80–1.00)0.82 (0.72–0.91)0.90 (0.80–1.00)0.81 (0.72–0.91)
Family-assisted PD0.86 (0.75–1.00)0.81 (0.70–0.94)0.85 (0.76–0.93)a0.73 (0.65–0.81)a
Nurse-assisted PD0.84 (0.75–0.93)0.72 (0.63–0.81)
  • Adjusted for age, sex, modified Charlson comorbidity index, and underlying nephropathy. RH, relative hazard; CI, confidence interval; HD, hemodialysis; PD, peritoneal dialysis.

  • a Refers to assisted PD in general.