Statistical Features of Some Representative Amino Acid PET SUVs and Other Cancer Markers
| Category | Modality (value) | n | Value | log10 value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Average value | CV | Skew/SE | G/NG | Average log10 value | σ | Skew/SE | G/NG | |||
| Malignancy | ||||||||||
| Head and neck | PET volume (cm3) | 37 | 34.7 | 1.27 | 4.7 | NG | 1.20 | 0.59 | −0.2 | G |
| Head and neck | Methionine (SUV) | 21 | 8.9 | 0.39 | 1.4 | G | 0.92 | 0.18 | −1.2 | G |
| Lung | Methionine (SUV) | 24 | 4.6 | 0.22 | 2.9 | G | 0.65 | 0.09 | 1.4 | G |
| Lung | DNA index | 20 | 1.7 | 0.16 | 0.6 | G | 0.23 | 0.07 | 0.0 | G |
| Lung | CT (Hounsfield units) | 111 | 42.1 | 0.31 | 4.1 | NG | 1.6 | 0.13 | 0.5 | G |
| Brain | ACBC (SUV) | 20 | 2.4 | 0.62 | 2.4 | G | 0.30 | 0.25 | −0.0 | G |
| Normal tissue | ||||||||||
| Lung | CT (Hounsfield units) | 52 | 14.6 | 1.05 | 3.8 | NG | 0.82 | 0.66 | −1.7 | NG |
| Skull | ACBC (SUV) | 20 | 1.1 | 0.24 | 0.7 | G | 0.04 | 0.10 | −0.4 | G |
CV = coefficient of variation; SE = SE of skew; G/NG = Gaussian or non-Gaussian distribution; σ = SD of log10 values; ACBC = aminocyclobutane carboxylic acid.