TABLE 3

Levels of fasting serum glucose, insulin, insulin resistance, and β-cell function among low, medium, and high serum calcium groups

Calcium groupWomenMen
n879–888216–217
Glucose (mmol/l)L4.80 ± 0.035.12 ± 0.08
M4.92 ± 0.035.14 ± 0.06
H5.06 ± 0.035.15 ± 0.06
P value<0.001NS
Insulin (pmol/l)L64.5 ± 2.177.2 ± 6.1
M69.3 ± 3.074.9 ± 4.8
H72.4 ± 2.584.4 ± 7.4
P value0.08NS
Insulin resistanceL1.95 ± 0.072.56 ± 0.24
M2.16 ± 0.102.41 ± 0.16
H2.30 ± 0.082.70 ± 0.24
P value0.009*NS
β-Cell functionL160.1 ± 8.3141.6 ± 10.0
M143.1 ± 6.2150.6 ± 18.4
H150.0 ± 14.6128.1 ± 18.9
P value0.055NS
  • Data are means ± SD unless otherwise indicated. Significance assessed by one-way ANOVA, corrected by Bonferroni method.

  • * Significance difference between L and H. L, low calcium group; M, medium calcium group; H, high calcium group.