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Table 2 Associations between obesity measures (BMI, WC and body fat) and mortality in CKD and non-CKD participants of NHANES 1999-2004

From: Adiposity measures, lean body mass, physical activity and mortality: NHANES 1999–2004

  CKD Non-CKD
Adjusted HR* Adjusted HR*
(95% CI) (95% CI)
N = 2027 N = 8881
Body mass index   
25-29.9 kg/m2 vs. 18.5-24.9 kg/m2 0.84 (0.55, 1.30) 0.62 (0.40, 0.95)
30-34.9 kg/m2 vs. 18.5-24.9 kg/m2 1.03 (0.71, 1.51) 0.84 (0.56, 1.26)
>35 kg/m2 vs. 18.5-24.9 kg/m2 1.29 (0.76, 2.19) 0.62 (0.34, 1.15)
Waist circumference   
>102 cm in men and >88 cm in women (vs. <102 cm in men and <88 cm in women) 1.04 (0.74, 1.45) 0.87(0.65, 1.16)
Percent body fat**   
>25% in men and >35% in women (vs. <25% in men and <35% in women) 0.87 (0.54, 1.39) 0.70 (0.47, 1.05)
  1. *Adjusted for age, gender, race, smoking, income, log c-reactive protein, cancer, eGFR log albumin-creatinine ratio and sodium intake.
  2. **Hazard ratios are from 5 imputed datasets obtained by survey phreg, and combined by mianalyze.