Table 1.
Patient characteristics
| Respiratory cycle |
Respiratory peak position ratio |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pt. no. | Gender | Age (year) | Location | Pathology | Position | DIR accuracy (mm) | 3D-COM (mm) | Planning | Treatment | Inhalation | Exhalation | |
| 1 | M | 75 | Lung | S4 | ADC | SP | 1.8 | 2.9 | 4.1 | 4.2 | 0.9 | −0.1 |
| 2 | M | 84 | Lung | S3 | SCC | SP | 0.9 | 1.7 | 3.9 | 3.5 | 0.5 | −0.3 |
| 3 | M | 76 | Lung | S6 | meta | PR | 1.7 | 5.5 | 3.8 | 3.7 | 0.9 | −0.3 |
| 4 | F | 77 | Lung | S3 | SCC | SP | 1.8 | 4.0 | 3.3 | 2.8 | 1.0 | 0.0 |
| 5 | F | 48 | Lung | S10 | meta | PR | 1.7 | 12.1 | 2.9 | 2.7 | 0.8 | 0.5 |
| 6 | F | 58 | Lung | S7 | meta | SP | 2.2 | 6.4 | 4.0 | 4.1 | 1.0 | −0.1 |
| 7 | M | 65 | Lung | S9 | SCC | PR | 2.0 | 13.4 | 4.3 | 3.9 | 0.9 | 1.2 |
| 8 | F | 80 | Lung | S3 | ADC | SP | 1.0 | 2.7 | 4.2 | 4.0 | 1.0 | 0.0 |
| 9 | M | 75 | Lung | S10 | SCC | PR | 2.0 | 12.4 | 3.1 | 2.9 | 0.9 | −0.1 |
| 10 | F | 81 | Lung | S3 | meta | SP | 1.3 | 3.4 | 2.7 | 2.5 | 0.8 | 0.0 |
| 11 | M | 64 | Lung | S4 | SCC | SP | 1.3 | 4.9 | 4.4 | 2.6 | 1.1 | 0.1 |
| 12 | M | 61 | Lung | S8 | ADC | PR | 1.5 | 7.7 | 3.6 | 3.2 | 1.1 | 0.1 |
| 13 | M | 80 | Lung | S5 | ADC | SP | 1.1 | 2.1 | 3.4 | 3.3 | 1.0 | 0.0 |
| 14 | F | 79 | Lung | S9 | ADC | PR | 1.3 | 5.0 | 2.8 | 2.9 | 1.0 | −0.2 |
| 15 | M | 82 | Liver | S7 | HCC | PR | 1.8 | 6.7 | 3.0 | 2.5 | 0.9 | 0.0 |
| 16 | M | 54 | Liver | S8 | HCC | SP | 1.5 | 17.2 | 5.8 | 8.2 | 1.1 | −0.1 |
| 17 | F | 74 | Liver | S7 | HCC | PR | 1.3 | 12.4 | 2.8 | 2.5 | 1.0 | −0.2 |
| 18 | M | 87 | Liver | S8 | HCC | PR | 1.5 | 14.4 | 3.5 | 2.7 | 0.9 | 0.0 |
| 19 | M | 55 | Liver | S6–7 | HCC | PR | 1.6 | 18.7 | 3.6 | 3.1 | 1.2 | 0.0 |
| 20 | F | 68 | Liver | S8 | HCC | PR | 1.5 | 11.2 | 4.0 | 3.4 | 1.1 | −0.1 |
| 21 | F | 65 | Liver | S7 | meta | SP | 1.3 | 14.4 | 3.7 | 2.4 | 1.1 | 0.0 |
| 22 | M | 79 | Liver | S7 | meta | PR | 1.2 | 11.4 | 3.7 | 3.6 | 1.2 | 0.0 |
| 23 | M | 78 | Liver | S6–7 | HCC | PR | 1.0 | 12.4 | 4.5 | 2.6 | 1.0 | 0.1 |
| 24 | M | 54 | Liver | S4 | HCC | SP | 1.6 | 15.1 | 4.4 | 2.4 | 0.9 | −0.1 |
| Mean | 70.8 ± 11.1 | 1.5 ± 0.3 | 9.1 ± 5.2 | 3.7 | 3.3 | 1.0 | 0.0 | |||||
Pt. no. = patient number, DIR = deformable image registration, 3D–COM = 3D center-of-mass, SP = supine, PR = prone, ADC = adenocarcinoma, SCC = squamous cell carcinoma, S.D. = standard deviation.