Table 3

Evaluation of Reliability in Measurement of FDG Uptake

GroupMean Difference (95% CI)CorrelationICC (95% CI)
Subcutaneous
 Overall0.001 (−0.018, 0.019)0.88, p < 0.00010.87 (0.68, 0.95)
 Lean0.010 (−0.018, 0.039)0.93, p = 0.0010.92 (0.72, 0.98)
 Obese−0.009 (−0.038, 0.021)0.67, p = 0.070.67 (0.09, 0.91)
Visceral
 Overall−0.065 (−0.15, 0.021)0.60, p = 0.010.56 (0.13, 0.81)
 Lean−0.028 (−0.158, 0.102)0.56, p = 0.150.59 (−0.04, 0.88)
 Obese−0.102 (−0.242, 0.039)0.70, p = 0.050.53 (−0.13, 0.86)

CI = confidence interval; FDG = fluorodeoxyglucose; ICC = intraclass correlation coefficient.