Table 1

Demographic and Biochemical Variables of the Subjects (N = 93)
Characteristics Mean ± SD Reference range
Age (years) 75.2 ± 6.0
Weight (kilograms) 52.5 ± 8.9
Height (centimeters) 147.7 ± 6.1
BMI (kg/m2) 24.1 ± 3.6
Years since menopause (years) 28.9 ± 8.0
Energy expenditure (kcal/day) 1,589.4 ± 285.4
Dietary calcium intake (mg/day) 322.3 ± 158.4
Caloric intake (kcal/day) 861.4 ± 296.2
Serum calcium (mmol/L) 2.4 ± 0.08 2.2 -2.62
Serum creatinine (μmol/l) 70 (44–151)* 53 - 88
Inorganic phosphorus (mmol/L) 1.17 ± 0.13 0.81 – 1.58
Alkaline phosphatase (U/l) 82.7 ± 25.7 50 - 136
Serum 25(OH)D (nmol/L) 69.3 ± 15.4 > 70
Plasma intact PTH (pmol/L) 4.3 ± 1.5 1.6 – 6.9
Serum CTx (ng/ml) 0.42 ± 0.21 0.104 – 1.008
Urinary calcium /urinary creatinine (mmol) 0.48 ± 0.29

* = median (range), BMI = body mass index, 25(OH)D = 25-hydroxyvitamin D, PTH = parathyroid hormone, CTx = C-terminal telopeptide of type I collagen.

Kruavit et al.

Kruavit et al. BMC Geriatrics 2012 12:49   doi:10.1186/1471-2318-12-49

Open Data