Table 1 Clinical acquisition and reconstruction set-up for the 3 PET devices

Clinical injected activity

3 MBq/kg

3 MBq/kg

3 MBq/kg

Clinical acquisition time

1.5 min/bed

2 min/bed

2 min/bed

Type of reconstruction

BPL (Q.Clear)

VPFX (OSEM)

BPL (Q.Clear)

Sharp-IR

Yes

Yes

Yes

TOF

Yes

Yes

No

Iterations

–

2

–

Subsets

–

24

–

Regularization parameter

700

–

350

Matrix size

256²

256²

256²

In plane filter

–

6.4 mm

–

Axial filter

–

Heavy

–

Voxel size (mm)

2.73 × 2.73 × 2.79

2.73 × 2.73 × 3.27

2.73 × 2.73 × 3.27