Table 2 Comparison of clinical and laboratory data between 1st and 2nd F-18 FDG PET/CT scans

Body weight (kg)

62.34 (58.20—65.90)

62.78 (58.43 – 66.28)

0.13

BMI (kg/m²)

23.83 (22.45—26.19)

23.94 (22.87—25.74)

0.36

Dose of L-thyroxine administration(mg)

0.15 (0.13 – 0.15)

0.15 (0.13 – 0.15)

0.94

Dose of L-thyroxine per body weight (mg/kg)

2.20*10^–3 (1.97*10^{–3 –} 2.60*10^–3)

2.26*10^–3 (2.20*10^–3− 2.60*10^–3)

0.82

TSH (uIU/mL)

0.08 (0.01 – 0.21)

0.13 (0.01 – 0.38)

0.41

freeT4 (ng/dL)

1.49 (1.37 – 1.73)

1.54 (1.33 – 1.64)

0.64

T3 (ng/dL)

127.24 (114.11 – 138.32)

117.01 (109.46 – 127.68)

0.27

Total cholesterol (mg/dL)

186.12 (171.21—198.24)

185.18 (171.26—194.63)

0.87

Triglyceride (mg/dL)

155.13 (103.87—201.97)

131.34 (101.34 −187.12)

0.15

LDL-cholesterol (mg/dL)

122.12 (104.42—141.15)

121.46 (104.81—131.98)

0.68

HDL-cholesterol (mg/dL)

52.12 (48.12—58.32)

51.12 (46.12—55.79)

0.49

AST (U/L)

24.32 (21.32—27.38)

24.23 (21.81—28.23)

0.12

ALT (U/L)

24.71 (19.73—27.22)

25.12 (21.72—29.01)

0.59

Area of thigh muscle (cm²)

24.46 (23.98 – 27.49)

24.38 (23.38 – 25.94)

0.93

Area of psoas muscle (cm²)

14.51 (13.50—15.51)

14.21 (13.34—15.08)

0.18

Volume of visceral fat (cm³)

214.77 (196.48- 233.38)

217.57 (197.30—237.85)

0.57

Volume of epicardial fat (cm³)

147.96 (131.39—165.42)

166.30 (146.73—187.28)

 < 0.01