Table 2—

Correlations between circulating soluble TfR and clinical and biochemical variables

All subjects* (n = 221)P
Age0.120.08
BMI0.100.1
Waist0.030.6
Systolic blood pressure0.150.02
Diastolic blood pressure0.110.09
Fasting glucose0.130.12
30′ OGTT0.210.01
120′ OGTT0.170.04
A1C0.140.03
Fasting insulin0.120.1
30′ OGTT insulin0.190.02
120′ OGTT insulin0.080.3
Triglycerides0.0050.9
HDL cholesterol0.010.7
SI−0.320.001
C-reactive protein0.180.01
  • *

    * OGTT was performed in 138 subjects; 30′, 60′, 90′, and 120′ indicate the minutes after glucose intake.

  • Waist was negatively correlated with sTfR in subjects with altered glucose tolerance (r = −0.26; P = 0.04). Bold values are statistically significant.