Table 2.

HR for mortality associated with PD compared with HD using various methods

ApproachHR for PD Compared with HD
90 to 365 d≥366 d
HR (95% CI)PHR (95% CI)P
Multivariate Cox model: Treatment at 90 d0.80 (0.81 to 0.96)0.0041.32 (1.26 to 1.38)<0.001
Multivariate Cox model: Treatment modality as time-varying factor0.82 (0.75 to 0.81)<0.0011.29 (1.23 to 1.35)<0.001
Propensity score: Matched cohort0.99 (0.89 to 1.10)0.8001.35 (1.27 to 1.42)<0.001
Weighted multivariate Cox model: inverse probability of treatment weight0.93 (0.83 to 1.03)0.1801.31 (1.24 to 1.38)<0.001