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Table 4 Characteristics of subjects aged 85 of the Leiden 85-Plus study

From: Performance of Cockcroft-Gault, MDRD, and CKD-EPI in estimating prevalence of renal function and predicting survival in the oldest old

  n = 562
Female 377 (67)
Comorbid illness 398 (70)
Institutionalized 104 (18)
MMSE 26 (22–28)
Weight (kg) 69.5 (61.5–78.3)
Length (cm) 159 (154–166)
Body mass index (weigth/m2) 26.7 (24.2–29.9)
Body surface area (m2)* 1.72 (1.61–1.85)
Serum creatinine (μmol/L) 92 (81–108)
Cockroft-Gault (ml/min)∫ 43 (37–51)
      >60 ml/min 54 (10)
      30–60 ml/min 454 (83)
      <30 ml/min 42 (7)
MDRD (ml/min/1.73 m2) 58 (49–68)
      >60 ml/min/1.73 m2 254 (45)
      30–60 ml/min/1.73 m2 298 (53)
      <30 ml/min/1.73 m2 10 (2)
CKD-EPI (ml/min/1.73 m2) 53 (46–62)
      >60 ml/min/1.73 m2 179 (32)
      30–60 ml/min/1.73 m2 365 (65)
      <30 ml/min/1.73 m2 18 (3)
  1. Continuous parameters are presented as median (IQR).
  2. Categorial data are presented as number (%).
  3. *Body Surface Area = calculated by DuBois’s formula.
  4. ∫ in 12 subjects weight was not available to calculate Cockroft-Gault clearance.
  5. Abbreviations: MMSE Mini Mental State Examination, MDRD Modification of Diet in Renal Disease, CKD-EPI Chronic Kidney Disease Epidemiology Collaboration clearance.