Association Between Baseline 68Ga-DOTATATE PET/CT Parameters and Morphologic Lesion Outcome
| Parameter | Response | Lesions (n) | Median | IQR | P* | Spearman ρ | P† |
|---|---|---|---|---|---|---|---|
| SUVmax | R | 21 | 18.7 | 14.7 to 24.2 | 0.71 | ||
| NR | 59 | 18.6 | 14.8 to 25.4 | ||||
| SUVmean | R | 21 | 11.4 | 9.7 to 13.1 | 0.99 | ||
| NR | 59 | 11.0 | 9.1 to 13.7 | ||||
| Tumor-to-spleen ratio | R | 16 | 1.3 | 0.8 to 1.9 | 0.03 | 0.04 (95% CI, −0.20 to 0.27) | 0.73 |
| NR | 54 | 1.8 | 1.3 to 2.7 | ||||
| Tumor-to-blood ratio | R | 21 | 59.8 | 51.1 to 82.1 | 0.37 | ||
| NR | 59 | 54.6 | 39.6 to 80.8 | ||||
| SSTR TV | R | 21 | 8.4 | 2.4 to 26.5 | 0.81 | ||
| NR | 59 | 7.6 | 3.9 to 20.9 | ||||
| Total lesion SSTR expression | R | 21 | 86 | 45 to 227 | 0.81 | ||
| NR | 59 | 108 | 39 to 247 |