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Table 2 Median, 1st and 3rd quartile of SUVmax and NSUVmax values measured in the bone marrow in both PET-CT and PET-MR, with 3 mm ROI and 9 mm VOI

From: [18F]FDG uptake of the normal spinal cord in PET/MR imaging: comparison with PET/CT imaging

Bone marrow SUVmax in 3 mm ROI
PET-CT PET-MR p
  q1 Median q3 Mean SD q1 Median q3 Mean SD Wilcoxon
C2 1.37 1.64 2.25 1.82 0.70 1.76 2.28 2.90 2.39 0.97 < 0.0001
C5 1.38 1.71 2.13 1.83 0.64 1.85 2.37 2.90 2.48 0.88 < 0.0001
T6 1.93 2.52 3.18 2.61 0.91 2.32 2.85 3.71 3.18 1.18 < 0.0001
T12 1.95 2.53 3.20 2.65 0.90 2.12 2.47 3.63 2.81 1.26 n.s.
L3 1.93 2.30 3.01 2.58 0.95 2.11 2.75 3.43 2.98 1.35 < 0.001
  SUVmax in 9 mm VOI
  PET-CT PET-MR p
  q1 Median q3 Mean SD q1 Median q3 Mean SD Wilcoxon
C2 1.55 2.18 2.53 2.19 0.89 2.07 2.41 3.25 2.71 1.03 < 0.0001
C5 1.77 2.15 2.67 2.27 0.69 2.32 2.73 3.71 3.04 1.10 < 0.0001
T6 2.26 2.82 3.60 2.94 1.00 2.77 3.31 4.83 3.83 1.47 < 0.0001
T12 2.38 2.87 3.72 3.13 1.02 2.50 2.77 3.93 3.24 1.35 n.s.
L3 2.30 2.78 3.61 2.99 0.99 2.78 3.46 4.20 3.73 1.43 < 0.0001
Bone marrow NSUVmax in 3 mm ROI
PET-CT PET-MR p
  q1 Median q3 Mean SD q1 Median q3 Mean SD Wilcoxon
C2 0.53 0.72 0.99 0.8 0.36 0.96 1.32 1.71 1.69 1.75 < 0.0001
C5 0.61 0.74 0.95 0.8 0.28 1.09 1.40 1.75 1.61 1.04 < 0.0001
T6 0.86 1.07 1.23 1.15 0.46 1.33 1.73 2.19 2.21 2.18 < 0.0001
T12 0.83 1.15 1.33 1.18 0.46 1.22 1.47 1.94 1.97 2.16 < 0.0001
L3 0.82 1.08 1.31 1.14 0.43 1.03 1.59 2.06 2.11 2.17 < 0.0001
  NSUVmax in 9 mm VOI
  PET-CT PET-MR p
  q1 Median q3 Mean SD q1 Median q3 Mean SD Wilcoxon
C2 0.57 0.81 0.93 0.83 0.39 0.93 1.22 1.49 1.47 1.12 < 0.0001
C5 0.66 0.80 1.05 0.86 0.30 1.08 1.37 1.79 1.71 1.57 < 0.0001
T6 0.81 1.00 1.29 1.11 0.47 1.35 1.56 2.18 2.06 1.63 < 0.0001
T12 0.9 1.11 1.36 1.18 0.44 1.14 1.45 1.79 1.73 1.29 < 0.0001
L3 0.83 1.07 1.35 1.13 0.39 1.3 1.59 2.19 2.05 1.71 < 0.0001