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Table 6 24 hour urinary excretion of Calcium, Sodium, Potassium and Crosslinks before and after weight loss1

From: Comparison of isocaloric very low carbohydrate/high saturated fat and high carbohydrate/low saturated fat diets on body composition and cardiovascular risk

  VLCARB VLF HUF
  Baseline 12 weeks Baseline 12 Weeks Baseline 12 Weeks
Calcium2 mmol/24 hr 4.9 ± 0.5 6.1 ± 0.6a 4.3 ± 0.4 3.6 ± 0.4b,c 4.3 ± 0.6 3.8 ± 0.5a,c
Sodium3 mmol/24 hr 172.7 ± 16.2 163.6 ± 15.2 173.9 ± 10.6 168.3 ± 13.1 175.4 ± 16.5 141.6 ± 11.9
Potassium4 mmol/24 hr 80.0 ± 4.8 65.2 ± 3.9a 83.2 ± 5.7 98.1 ± 5.8b,c 77.8 ± 5.9 74.3 ± 5.0a,c
Deoxypyridinoline:creatinine5 nmol/mmol 18.0 ± 1.0 20.5 ± 1.6 21.2 ± 1.5 23.1 ± 1.5 19.4 ± 1.1 22.4 ± 1.2
Pyridinoline:creatinine5 nmol/mmol 64.5 ± 3.0 73.3 ± 4.2 71.9 ± 5.3 83.9 ± 5.7 67.0 ± 2.9 77.1 ± 3.0
  1. 1 Mean ± SEM
  2. 2 Main effect of diet p = 0.025 using repeated measures ANOVA. Variables with different superscripts are significantly different using Tukey's test for post hoc analysis (P < 0.05).
  3. 3 No significant effect of time or diet using repeated measures ANOVA
  4. 4 Main effect of diet P < 0.001. Variables with different superscripts are significantly different using Tukey's test for post hoc analysis (P < 0.05).
  5. 5 Main effect of time using repeated measures ANOVA P < 0.0001
  6. VLCARB = very low carbohydrate diet (n = 24) VLF = very low fat diet (n = 22) HUF = high unsaturated fat (n = 21)