Ablation efficacy evaluation according to the star artifact(SA) and ATA guidelines released in 2015
| Findings at 1st RAI treatment | excellent response(ER) | biochemical incomplete response(BIR) | indeterminate response(IR) | structural incomplete response(SIR) |
| Group | SA(+) SA(-) P | SA(+) SA(-) P | SA(+) SA(-) P | SA(+) SA(-) P |
| Total(n=709) | 223 224 0.867 | 33 24 0.194 | 79 94 0.228 | 17 15 0.699 |
| sTg<0.2ng/ml(n=99) | 26 66 0.239 | 1 0 0.667 | 3 3 0.532 | 0 0 NA |
| sTg<1ng/ml(n=176) | 59 98 0.701 | 1 0 0.966 | 7 11 0.94 | 0 0 NA |
| sTg<2ng/ml(n=314) | 94 181 0.289 | 1 0 0.719 | 9 29 0.383 | 0 0 NA |
| sTg<10ng/ml(n=547) | 191 216 0.404 | 2 1 0.886 | 57 77 0.371 | 1 2 1.00 |
| sTg>10ng/ml(n=162) | 32 8 0.008 | 31 23 0.359 | 22 17 0.38 | 16 13 0.379 |