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Table 5 Case reports - renal function on two subjects with the highest protein intakes

From: The effects of a high protein diet on indices of health and body composition – a crossover trial in resistance-trained men

  Baseline Normal protein High protein Reference range
Subject 1
 PRO intake g/kg/d 3.98 4.18 6.59 724 % > than the RDA
  BUN mg/dL 25 34 14 7–25
  Creatinine mg/dL 1.26 1.09 0.96 0.60–1.35
  eGFR ml/min/1.73 m2 88 105 122 §
  BUN/Creatinine ratio 19.8 31.2 14.6 6–22
Subject 2
 PRO intake g/kg/d 2.56 3.61 4.66 483 % > than the RDA
  BUN mg/dL 22 26 20 7–25
  Creatinine mg/dL 0.97 0.97 1.02 0.60–1.35
  eGFR ml/min/1.73 m2 125 126 119 §
  BUN/Creatinine ratio 22.7 26.8 19.6 6–22
  1. Data are mean ± SD. BUN blood urea nitrogen, eGFR estimated glomerular filtration rate (§ normal values: ≥60 ml/min/1.73 m2), PRO protein, RDA recommended dietary allowance