Impact of Change Since Comparison Scan and Estimated Prognosis on Post-PET Plans
| Post-PET plans | |||||
| Variable compared or changed | n* | Continue current treatment | Modify dose or schedule | Switch to another treatment | Stop treatment and switch to supportive care |
| All scans | 2,839 | 1,661 (58.5) | 149 (5.2) | 948 (33.4) | 81 (2.9) |
| Comparison made to prior NaF PET | 1,630 | ||||
| No change, normal | 290 (17.8) | 218 (75.2) | 10 (3.4) | 50 (17.2) | 12 (4.1) |
| Resolution of previously seen metastatic disease | 30 (1.8) | 24 (80.0) | 1 (3.3) | 1 (3.3) | 4 (13.3) |
| Decrease in metastases | 275 (16.9) | 238 (86.5) | 10 (3.6) | 22 (8.0) | 5 (1.8) |
| No change in metastases | 443 (27.2) | 345 (77.9) | 23 (5.2) | 64 (14.4) | 11 (2.5) |
| Progression of metastases | 506 (31.0) | 166 (32.8) | 30 (5.9) | 300 (59.3) | 10 (2.0) |
| New metastases | 86 (5.3) | 30 (34.9) | 5 (5.8) | 50 (58.1) | 1 (1.2) |
| Prognosis in light of PET (all scans) | |||||
| Better | 796 (28.0) | 643 (80.8) | 37 (4.6) | 74 (9.3) | 42 (5.3) |
| No change | 1,128 (39.7) | 892 (79.1) | 42 (3.7) | 177 (15.7) | 17 (1.5) |
| Worse | 915 (32.2) | 126 (13.8) | 70 (7.7) | 697 (76.2) | 22 (2.4) |
↵* Relative percentage of column.