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Table 4 Comparison of 18-h fasting with heparin loading plus 12-h fasting in healthy subjects

From: Long fasting is effective in inhibiting physiological myocardial 18F-FDG uptake and for evaluating active lesions of cardiac sarcoidosis

  HEP LF p value
  N Average ± SD N Average ± SD
Age (year) 18 47.11 ± 12.53 19 53.47 ± 11.34 0.11
Gender 18 M/F = 10:8 19 M/F = 12:7 0.64
FBG 18 99.11 ± 7.84 19 85.11 ± 10.97 <0.0001***
FFA 18 0.64 ± 0.27 19 0.64 ± 0.24 0.94
BMI 18 21.86 ± 1.88 19 24.94 ± 3.28 0.019*
Phy U 18 3.17 ± 1.16 19 1.68 ± 1.06 <0.0001***
SUVmax 18 6.21 ± 3.64 19 4.17 ± 4.31 0.13
  1. HEP, heparin loading plus 12-h fasting; LF; 16-h or more fasting; FBG, fasting blood glucose (mg/dL); FFA, plasma free fatty acids (mEq/L); BMI, body mass index; Phy U, physiological uptake grades 1 to 4; *p < 0.05, ***p < 0.001.