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Table 2 Scanning parameters

From: FDG PET versus CT radiomics to predict outcome in malignant pleural mesothelioma patients

Scanning characteristics/parameters Training cohort (= 36) Validation cohort (= 36)
CT scanners Siemens Biograph40 (n = 9)
GE Discovery STE (n = 7)
GE Discovery 690 (n = 15)
GE Discovery VCT (n = 5)
Siemens Biograph40 (n = 16)
Siemens Biograph128 (n = 4)
GE Discovery STE (n = 3)
GE Discovery 690 (n = 3)
GE Discovery VCT (n = 7)
GE Discovery 600 (n = 1)
GE Discovery MI (n = 2)
 - Slice thickness (mm) 2.5–4 1.25–3.27
 - In-plane resolution (mm) 0.98–1.52 0.98–1.52
 - kV 100; 120; 140 100; 120; 140
 - mAs 62–402 23–136
 - Reconstruction kernel Soft kernel (n = 33)
Sharp kernel (n = 3)
Soft kernel (n = 20)
Sharp kernel (n = 16)
PET scanners Siemens Biograph40 (n = 9)
GE Discovery STE (n = 7)
GE Discovery 690 (n = 15)
GE Discovery VCT (n = 5)
Siemens Biograph40 (n = 15)
Siemens Biograph128 (n = 4)
GE Discovery STE (n = 3)
GE Discovery 690 (n = 4)
GE Discovery VCT (n = 7)
GE Discovery 600 (n = 1)
GE Discovery MI (n = 2)
 - Slice thickness (mm) 2.5–4 2–3.27
 - In-plane resolution (mm) 2.73–5.47 2.73–5.47
 - Administered FDG activity (MBq), median (range) 337.5 (188–417) 316.3 (204.1–408)
 - Delay between administration of FDG and scanning (min) 46.1–85.6 49.8–91.1
 - Reconstruction algorithm 3D OSEM (n = 18)
3D OSEM with PSF (n = 18)
3D OSEM (n = 24)
3D OSEM with PSF (n = 12)
  1. kV kilovolt, mAs milliampere-second, MBq Mega Becquerel, OSEM ordered subset expectation maximization., PSF point spread function modeling