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Table 3 Image quality scores for 68Ga-satoreotide trizoxetan PET/CT and PET, by radioactivity per patient’s body weight

From: A novel read methodology to evaluate the optimal dose of 68Ga-satoreotide trizoxetan as a PET imaging agent in patients with gastroenteropancreatic neuroendocrine tumours: a phase II clinical trial

 

0.69–0.97 MBq/kg

0.97–1.55 MBq/kg

1.55–2.09 MBq/kg

2.09–3.72 MBq/kg

Total

PET/CT readings

 

 5–20 µg

9/16 (56.3)

6/10 (60.0)

7/12 (58.3)

7/10 (70.0)

29/48 (60.4)

 30–45 µg

9/12 (75.0)

9/10 (90.0)

11/14 (78.6)

11/12 (91.7)

40/48 (83.3)

 Total

18/28 (64.3)

15/20 (75.0)

18/26 (69.2)

18/22 (81.8)

PET readings

 

 5–20 µg

7/16 (43.8)

9/10 (90.0)

9/12 (75.0)

9/10 (90.0)

34/48 (70.8)

 30–45 µg

8/12 (66.7)

8/10 (80.0)

12/14 (85.7)

11/12 (91.7)

39/48 (81.3)

 Total

15/28 (53.6)

17/20 (85.0)

21/26 (80.8)

20/22 (90.9)

  1. During the image quality readings, each image was assigned a “1” (for optimal image quality) or a “0” (for non-optimal image quality). The numerator of the image quality score is the sum of both readers’ scores, and the denominator is the total number of PET/CT and PET scans that were read and scored
  2. Data are presented as n/N (%)
  3. CT computed tomography, PET positron emission tomography