Table 1 The characteristics of the patients

Number of patients

34

Age (years)

67 (32–93)

Gender, n (%)

 Male

20

 Female

14

Weight (kg)

56.9 ± 12.0 (35.0–85.0)

Height (cm)

161.4 ± 8.5 (143.0–181.0)

BMI (kg/m²)

21.7 ± 3.4 (15.6–30.1)

Fasting blood glucose level (mg/dl)

105.4 ± 18.8 (73.8–160.2)

¹⁸F-FDG injection dose (MBq)

168.4 ± 35.5 (103.6–251.6)

CEA (ng/ml)

74.5 ± 185.3 (0.92–1033.0)

Delay time (min)

60 ± 4.3 (51–72)

Location (number of patients)

 Rectal cancer

1

 Colon cancer

33

  Ascending

11

  Transverse

5

  Descending

10

  Sigmoid

7

TNM

 I-II

6

 III

11

 IV

17

Primary tumour

 SUVmax

21.6 ± 13.9 (7.3–82.7)

 TBR

8.8 ± 4.9 (2.9–26.7)

Liver metastases

 SUVmax

8.4 ± 5.2 (3.2–22.7)

 TBR

3.7 ± 2.2 (1.5–8.4)

 Size

  Largest lesion

4.6 ± 2.7 (1.0–8.5)

  Minimal lesion

0.9 ± 0.4 (0.6–2.1)