TABLE 1.
Tumor Response Classification Using Different Response Thresholds
| Response thresholds |
Response metric |
Total tumors |
Partial-response tumors |
Stable-disease tumors |
Progressive- disease tumors |
Partial- response/ stable-disease tumors |
Stable-disease/ progressive- disease tumors |
Partial-response/ stable-disease/ progressive-disease tumors |
Ambiguous response (%) |
|---|---|---|---|---|---|---|---|---|---|
| ±20% | SUVpeak | 31 | 12 | 1 | 1 | 10 | 6 | 1 | 55 |
| SUVmax | 31 | 18 | 9 | 4 | NA | NA | NA | NA | |
|
| |||||||||
| ±30% | SUVpeak | 31 | 9 | 8 | 1 | 9 | 4 | 0 | 42 |
| SUVmax | 31 | 13 | 15 | 3 | NA | NA | NA | NA | |
|
| |||||||||
| ±40% | SUVpeak | 31 | 7 | 14 | 0 | 7 | 3 | 0 | 32 |
| SUVmax | 31 | 9 | 20 | 2 | NA | NA | NA | NA | |
NA = not applicable.