Table 4.

Relationship between tertiles of kidney length and cardiovascular events, mortality, and ESRD

OutcomesFirst Tertile (n=3567)Second Tertile (n=3562)Third Tertile (n=3122)
Range, cm7.8–10.810.9–11.611.7–16.1
Myocardial infarction
 No. of events241225245
 Model 1, HR (95% CI)1.15 (0.93 to 1.43)Reference1.20 (0.97 to 1.48)
 Model 2, HR (95% CI)1.07 (0.86 to 1.33)Reference1.26 (1.02 to 1.56)
Stroke
  No. of events142121106
 Model 1, HR (95% CI)1.12 (0.84 to 1.50)Reference1.06 (0.78 to 1.43)
 Model 2, HR (95% CI)1.04 (0.77 to 1.39)Reference1.12 (0.82 to 1.52)
Cardiovascular mortality
  No. of events300217218
 Model 1, HR (95% CI)1.38 (1.11 to 1.71)Reference1.22 (0.97 to 1.54)
 Model 2, HR (95% CI)1.21 (0.96 to 1.51)Reference1.33 (1.05 to 1.67)
Cardiovascular events
  No. of events487409421
 Model 1, HR (95% CI)1.20 (1.02 to 1.40)Reference1.19 (1.02 to 1.40)
 Model 2, HR (95% CI)1.09 (0.93 to 1.27)Reference1.28 (1.09 to 1.50)
All-cause mortality
  No. of events582460420
 Model 1, HR (95% CI)1.13 (0.97 to 1.32)Reference1.07 (0.92 to 1.26)
 Model 2, HR (95% CI)1.06 (0.91 to 1.23)Reference1.12 (0.96 to 1.32)
ESRD
  No. of events182212
 Model 1, HR (95% CI)1.21 (0.58 to 2.54)Reference0.34 (0.14 to 0.82)
 Model 2, HR (95% CI)0.39 (0.17 to 0.87)Reference0.61 (0.25 to 1.53)
  • Model 1 adjusted for age, sex, smoking, body height, waist circumference, fasting glucose, systolic BP, and albuminuria. Model 2 adjusted for age, sex, smoking, body height, waist circumference, fasting glucose, systolic BP, albuminuria, and eGFR. HR, hazard ratio; 95% CI, 95% confidence interval.