Comparison of Concordant and True-Positive Discordant Lesions Found by Concurrent 64Cu-DOTATATE and 68Ga-DOTATOC PET in the 59 Patients with NETs
| Region | Concordant lesions | True-positive on 64Cu-DOTATATE | True-positive on 68Ga-DOTATOC | P | Probability that discordant lesion was found by 64Cu-DOTATATE* |
| Liver | 298 | 7 | 3 | 0.34 | 0.70 (0.67–0.93) |
| Lymph nodes | 222 | 6 | 2 | 0.29 | 0.75 (0.35–0.98) |
| Bones | 102 | 11 | 2 | 0.02 | 0.85 (0.55–0.98) |
| Lung | 3 | 0 | 0 | NA | NA |
| Pancreas | 10 | 1 | 0 | 1.00 | 1.00 (0.05–1.00) |
| Intestines | 26 | 0 | 0 | NA | NA |
| Carcinomatosis | 25 | 7 | 0 | 0.02 | 1.00 (0.59–1.00) |
| Other† | 15 | 1* | 0 | 1.00 | 1.00 (0.05–1.00) |
| Total | 701 | 33 | 7 | <0.001 | 0.83 (0.67–0.93) |