Abstract 198 Table 2 Univariate and multivariate Cox proportional hazard models

			HR (±95% CI)	p Value
Univariate		eGFR (per 10 ml/min change)	0.82 (0.72 to0.94)	0.005
analysis		log(urea) (per unit change)	2.42 (1.55 to 3.80)	<0.001
		>median urea (versus ⩽median urea)	2.51 (1.48 to 4.28)	0.001
Multivariates	Model 1	eGFR (per 10 ml/min change)	0.99 (0.81 to 1.22)	0.96
analysis		log(urea) (per unit change)	2.37 (1.18 to 4.78)	0.02
	Model 2	eGFR (per 10 ml/min change)	0.92 (0.78 to 1.10)	0.36
		>median urea (versus ⩽median urea)	2.10 (1.09 to 4.04)	0.03
	Model 3	log(urea) (per unit change)	1.79 (1.08 to 2.97)	0.003
	Model 4	>median urea (versus ⩽median urea)	1.66 (1.51 to 6.56)	0.09