TABLE 3.
Performance Characteristics of Semiquantitative and Qualitative PET Assessment Methods in Association with Physician Assessment of Clinical Disease Activity
| Descriptive statistic | GLMM evaluation | |||||
|---|---|---|---|---|---|---|
| Parameter | Clinical active (mean ± SEM) | Clinical remission (mean ± SEM) | AUC (95% CI) | Optimal cutoff | P | AIC |
| LVV (n) | 75 | 131 | ||||
| SUVArtery | 3.43 ± 0.13 | 3.11 ± 0.09 | 0.59 (0.51–0.68) | 3.58 | 0.0293 | 255.2 |
| TBRLiver | 1.46 ± 0.06 | 1.27 ± 0.03 | 0.66 (0.58–0.73) | 1.46 | 0.0002 | 253.1 |
| TBRBlood | 2.60 ± 0.09 | 2.31 ± 0.06 | 0.65 (0.57–0.73) | 2.39 | 0.0003 | 254.7 |
| PETVAS | 20.6 ± 0.56 | 17.3 ± 0.55 | 0.65 (0.57–0.73) | 22.5 | 0.0004 | 239.5 |
GLMM = generalized linear mixed model.