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Table 2 Urine values at baseline

From: Low urine pH and acid excretion do not predict bone fractures or the loss of bone mineral density: a prospective cohort study

Urine values

Fracture study

BMD study

Urine pH

6.1 +/- 0.70

6.1 +/- 0.71

Calcium/creatinine, mmol/mmol

0.37 +/- 0.24

0.38 +/- 0.24

Chloride/creatinine, mmol/mmol

17.4 +/- 9.0

17.1 +/- 8.7

Magnesium/creatinine, mmol/mmol

0.43 +/- 0.20

0.43 +/- 0.20

Phosphate/creatinine, mmol/mmol

2.51 +/-0.84

2.53 +/-0.84

Potassium/creatinine, mmol/mmol

6.18 +/- 3.05

6.14 +/- 3.07

Sodium/creatinine, mmol/mmol

16.4 +/- 9.2

16.1 +/- 8.9

Sulfate/creatinine, mmol/mmol

2.09 +/- 0.85

2.08 +/- 0.85

Organic acids/creatinine, mmol/mmol

6.89 +/- 5.37

6.76 +/- 5.25

Urine creatinine, mmol/L

8.8 +/- 5.2

8.9 +/- 5.3

Acid excretion, mEq/L

46.6 +/- 25.0

47.5 +/- 25.4

  1. *mean +/- sd, mmol = millimole, L = litre, mEq/L = milliequivalent/litre