Table 3.

Multivariate Cox proportional hazards regression analysis of mortality

	β	SE	HR	95% CI	P value
Age at study enrollment	0.066	0.029	1.068	1.009–1.131	0.023
Estimated GFR	0.008	0.019	1.008	0.971–1.047	0.675
Group (B versus A)	−1.024	0.471	0.359	0.143–0.904	0.030

Abbreviations: CI, confidence interval; GFR, glomerular filtration rate; HR, adjusted hazard ratio; SE, standard error of the mean.