Table 3.
Risk factor estimation of organ-at-risk rectum corresponding to normal tissue complication probability values for one patient case (sample number 8): Fuzzy versus manual calculated risk factor
| Parameter | Weekly estimation of subvolumes (cc) and associated risk | ||||
|---|---|---|---|---|---|
|
| |||||
| CBCT1 | CBCT2 | CBCT3 | CBCT4 | CBCT5 | |
| Subvolume (%) | 10.6 | 14.4 | 21.55 | 14.9 | 28.27 |
| NTCP (%) | 0.84 | 1.68 | 1.94 | 1.05 | 2.52 |
| Fuzzy OAR RF | Low (0.16) | Low (0.16) | Low (0.19) | Low (0.166) | Medium (0.46) |
| Calculated RF | 0.14 | 0.17 | 0.20 | 0.17 | 0.38 |
RF: Risk factor, NTCP: Normal tissue complication probability, OAR: Organ at risk, CBCT: Cone-beam computed tomography