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Table 4 Semi-quantitative image quality of full-activity cohort

From: A personal acquisition time regimen of 68Ga-DOTATATE total-body PET/CT in patients with neuroendocrine tumor (NET): a feasibility study

Time

L-SUVmean

L-SD

SNRL

CVL

M-SUVmean

M-SD

SNRM

CVM

D15s

8.97 ± 2.64

1.37 ± 0.65*

7.29 ± 2.36*

15.32 ± 6.23*

0.58 ± 0.23

0.13 ± 0.09*

0.13 ± 0.09*

22.61 ± 10.55*

D30s

8.95 ± 2.62

0.98 ± 0.43*

9.93 ± 2.93*

11.20 ± 4.41*

0.59 ± 0.28

0.09 ± 0.05*

0.09 ± 0.05*

16.07 ± 5.51*

D45s

8.88 ± 2.62

0.89 ± 0.41

11.04 ± 3.52*

10.28 ± 4.39*

0.58 ± 0.27

0.08 ± 0.05

0.08 ± 0.05*

13.28 ± 6.35*

D1

8.62 ± 2.68

0.83 ± 0.33

11.21 ± 3.42*

9.80 ± 3.28*

0.56 ± 0.24

0.06 ± 0.04

0.07 ± 0.05*

12.87 ± 5.86*

D2

8.62 ± 2.61

0.71 ± 0.32

15.39 ± 4.37

8.27 ± 2.79

0.56 ± 0.22

0.05 ± 0.03

0.06 ± 0.04

8.19 ± 5.17

D3

8.63 ± 2.72

0.64 ± 0.26

15.04 ± 6.18

7.61 ± 2.63

0.56 ± 0.21

0.04 ± 0.03

0.05 ± 0.03

8.65 ± 4.16

D4

8.61 ± 2.69

0.62 ± 0.27

15.91 ± 7.65

7.29 ± 2.40

0.55 ± 0.21

0.05 ± 0.03

0.05 ± 0.03

8.10 ± 4.16

D5

8.52 ± 2.64

0.58 ± 0.24

16.66 ± 7.43

6.84 ± 2.18

0.55 ± 0.20

0.05 ± 0.03

0.05 ± 0.03

8.69 ± 4.48

D8

8.55 ± 2.61

0.49 ± 0.19

18.80 ± 6.17

5.82 ± 1.77

0.51 ± 0.21

0.04 ± 0.03

0.04 ± 0.03

7.35 ± 4.56

D10

8.54 ± 2.61

0.49 ± 0.18

19.01 ± 6.08

5.80 ± 1.76

0.52 ± 0.21

0.04 ± 0.03

0.04 ± 0.03

7.32 ± 4.62

  1. Data are presented as the mean ± standard deviation
  2. *p < 0.05 in Dunnett’s multiple comparison test compared with D10. L Liver, M Mediastinal blood pool, SD Standard deviation, SNRL Signal noise ratio of the liver, CV Coefficient of variation