BMC Nephrology

Table 2 Cox regression all–cause mortality analyses comparing PD with HD as initial dialysis modality in 692 pairs of propensity matched patients in Norway

From: Impact of initial dialysis modality on mortality: a propensity-matched study

a)
	2-year all-cause mortality
	As–treated			Intention–to–treat
	Hazard ratio	95 % CI	p–value for interaction	Hazard ratio	95 % CI	p–value for interaction
All	0.87	0.67–1.12		0.93	0.73–1.18
Male	0.93	0.67–1.29	NS	1.03	0.77–1.38	NS
Female	0.77	0.50–1.17	NS	0.79	0.53–1.16	NS
DM-	0.75	0.55–1.02	NS	0.82	0.62–1.09	NS
DM+	1.20	0.76–1.91	NS	1.22	0.80–1.86	NS
≤65 years	0.39	0.19–0.81	0.011	0.47	0.26–0.85	0.009
>65 years	1.03	0.78–1.36	0.011	1.11	0.86–1.44	0.009
b)
	5-year all-cause mortality
	As-treated			Intention–to–treat
	Hazard ratio	95 % CI	p-value for interaction	Hazard ratio	95 % CI	p–value for interaction
All	0.95	0.77–1.17		0.99	0.82–1.19
Male	1.09	0.83–1.44	NS	1.06	0.83–1.34	NS
Female	0.78	0.55–1.09	NS	0.87	0.65–1.19	NS
DM-	0.91	0.70–1.18	NS	1.02	0.81–1.29	NS
DM+	0.99	0.69–1.42	NS	0.90	0.65–1.25	NS
≤65 years	0.49	0.27–0.89	0.010	0.58	0.36–0.93	0.009
>65 years	1.06	0.84–1.33	0.010	1.13	0.92–1.39	0.009

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