TABLE 2.
Performance Characteristics of Semiquantitative and Qualitative PET Assessment Methods in Association with Subjective Reader Interpretation of PET Activity
| Descriptive statistic | GLMM evaluation | |||||
|---|---|---|---|---|---|---|
| Parameter | PET active (mean ± SEM) | PET inactive (mean ± SEM) | AUC (95% CI) | Optimal cutoff | P | AIC |
| LVV (n) | 147 | 62 | ||||
| SUVArtery | 3.41 ± 0.10 | 2.78 ± 0.08 | 0.67 (0.60–0.75) | 3.36 | < 0.0001 | 226.9 |
| TBRLiver | 1.45 ± 0.04 | 1.09 ± 0.02 | 0.85 (0.80–0.90) | 1.22 | < 0.0001 | 179.0 |
| TBRBlood | 2.59 ± 0.07 | 2.03 ± 0.03 | 0.80 (0.74–0.86) | 2.31 | < 0.0001 | 198.2 |
| PETVAS | 20.83 ± 0.41 | 12.87 ± 0.58 | 0.87 (0.83–0.92) | 19.5 | < 0.0001 | 165.2 |
GLMM = generalized linear mixed model.