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Table 2 GTVs obtained by three observers in 18F and 68Ga subgroups

From: Gross tumor volume delineation in primary prostate cancer on 18F-PSMA-1007 PET/MRI and 68Ga-PSMA-11 PET/MRI

Observers

18F

68Ga

 

GTV-MRI (cm3)

GTV-PETVIS (cm3)

GTV-PET/MRI (cm3)

GTV-MRI (cm3)

GTV-PETVIS (cm3)

GTV-PET/MRI (cm3)

A

2.70(1.30–6.20)

2.90(1.20–7.65)

4.90(1.40–10.40)

2.70(0.680–3.75)

1.60(0.43–3.55)

3.15(1.28–6.25)

B

2.90(1.40–7.90)

2.80(1.65–10.05)

4.80(2.50–11.05)

2.45(1.30–5.18)

1.30(0.70–2.78)

2.05(1.43–3.90)

C

3.40(1.25–7.15)

3.20(1.55–9.90)

5.00(2.15–12.80)

2.45(1.55–4.80)

1.70(0.75–3.20)

2.70(2.13–3.70)

 

F = 0.176 p = 0.839

F = 0.075 p = 0.928

F = 0.035 p = 0.965

F = 0.073 p = 0.930

F = 0.022 p = 0.978

F = 0.019 p = 0.981

  1. GTV gross tumor volume