Table 2.
Summary of patient characteristics and CyberKnife radiotherapy parameters
| Patient No. | Gender | Age (yrs) | CKRT regimen | Tumor volume (cm3) | Number of fractions | Prescription dose (Gy) | Dose per fraction (Gy) | Maximum dose (Gy) | Prescription isodose (%) | Conformality index | Heterogeneity index | Lesion coverage | Total No. of beams |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | F | 47 | SRS | 3.14 | 1 | 15 | 15 | 18.52 | 81% | 1.1 | 1.23 | 95.30% | 190 |
| 2 | F | 72 | SRS | 6.97 | 1 | 15 | 15 | 18.29 | 82% | 1.29 | 1.22 | 94.60% | 230 |
| 3 | M | 57 | SRS | 8.76 | 1 | 13 | 13 | 17.33 | 75% | 1.38 | 1.33 | 98.80% | 262 |
| 4 | F | 75 | SRS | 0.52 | 1 | 13 | 13 | 18.57 | 70% | 1.38 | 1.43 | 96.95% | 150 |
| 5 | M | 71 | SRS | 3.46 | 1 | 18 | 18 | 24 | 75% | 1.17 | 1.33 | 95.84% | 125 |
| 6 | F | 86 | HSRT | 11.91 | 3 | 24 | 8 | 30 | 80% | 1.51 | 1.25 | 97.43% | 268 |
| 7 | F | 79 | HSRT | 3.73 | 5 | 30 | 6 | 35.71 | 84% | 1.28 | 1.19 | 96.34% | 190 |
| 8 | F | 84 | HSRT | 42.39 | 5 | 30 | 6 | 36.59 | 82% | 1.22 | 1.22 | 95.16% | 250 |
| 9 | F | 84 | HSRT | 10.12 | 5 | 30 | 6 | 37.97 | 79% | 1.53 | 1.27 | 95.01% | 209 |
| 10 | F | 63 | HSRT | 0.44 | 5 | 25 | 5 | 32.89 | 76% | 1.77 | 1.32 | 93.48% | 91 |
| 11 | M | 88 | HSRT | 11.35 | 5 | 25 | 5 | 33.33 | 75% | 1.26 | 1.33 | 92.69% | 157 |
| 12 | M | 60 | FSRT | 2.41 | 25 | 50 | 2 | 55.56 | 90% | 1.95 | 1.11 | 95.35% | 143 |
| 13 | F | 60 | FSRT | 0.32 | 28 | 50.4 | 1.8 | 60.72 | 83% | 1.65 | 1.2 | 96.65% | 180 |