Table 2.

Hazard ratios for mortality in peritoneal dialysis group compared with hemodialysis group

PeriodAdjusted for CovariatesAdjustd for Propensity Score Marginal Structural Model1:1 Matching
HR (95% CI)P ValueHR (95% CI)P ValueHR (95% CI)P ValueHR (95% CI)P Value
<3 mo0.94 (0.82 to 1.07)0.350.94 (0.82 to 1.07)0.321.03 (0.98 to 1.09)0.221.02 (0.87 to 1.21)0.80
≥3 to <6 mo0.98 (0.84 to 1.15)0.800.98 (0.83 to 1.15)0.760.92 (0.87 to 0.99)0.020.98 (0.81 to 1.20)0.87
≥6 to <9 mo1.20 (0.99 to 1.46)0.071.19 (0.98 to 1.45)0.080.98 (0.90 to 1.06)0.561.15 (0.90 to 1.48)0.26
≥9 to <12 mo1.37 (1.12 to 1.67)0.0031.36 (1.11 to 1.67)0.0031.17 (1.07 to 1.27)<0.0011.42 (1.09 to 1.86)0.010
≥1 to <2 yr1.42 (1.24 to 1.63)<0.0011.41 (1.23 to 1.62)<0.0011.21 (1.14 to 1.28)<0.0011.46 (1.23 to 1.74)<0.001
≥2 to <3 yr1.67 (1.39 to 2.02)<0.0011.65 (1.37 to 1.99)<0.0011.51 (1.39 to 1.63)<0.0011.63 (1.29 to 2.05)<0.001
Overall1.20 (1.13 to 1.28)<0.0011.19 (1.12 to 1.27)<0.0011.09 (1.06 to 1.12)<0.0011.25 (1.15 to 1.35)<0.001
  • HR, hazard ratio; 95% CI, 95% confidence interval.