Table 3. Multivariate Cox regression model of progression of chronic renal insufficiency

VariableRelative Risk (95% CI)P Value
Systolic hypertension (yes versus no)1.20 (1.09 to 1.33)0.003
Diastolic hypertension (yes versus no)1.10 (0.99 to 1.22)0.08
Ages 6 to 12 versus 2 to 5 (yr)1.29 (1.15 to 1.46)0.0001
Ages 13 to 17 versus 2 to 5 (yr)1.91 (1.67 to 2.17)0.0001
White versus nonwhite0.90 (0.82 to 0.99)0.03
Body mass index ≥95th percentile versus <95th percentile1.16 (0.99 to 1.37)0.07
Estimated GFR ≥50 versus <50 (ml/min/1.73 m2)0.55 (0.51 to 0.58)0.0001
Structural versus acquired cause of chronic renal insufficiency0.55 (0.47 to 0.66)0.0001