Table 3(a).
Statistical distribution of percentage dose difference of calculated dose (using AAA and PBC algorithms) from TLD measured dose normalized to TLD measured doses in high‐dose buildup region proximal to PTV (1.4 cm extra margin from PTV).
| No Orft | With Orft | ||||||
|---|---|---|---|---|---|---|---|
| Depth From Skin | Algorithm | % mean dose differences from TLD (SD) | Minimum | Maximum | % mean dose differences from TLD (SD) | Minimum | Maximum |
| 2 mm | AAA | ‐7.56 (4.73) | ‐19.32 | 2.21 | ‐17 (5.31) | ‐28.77 | ‐9.97 |
| PBC | 3.75 (5.70) | ‐7.25 | 13.10 | ‐6.84 (3.13) | ‐11.1 | ‐1.87 | |
| 4 mm | AAA | ‐0.82 (4.24) | ‐8.10 | 6.65 | ‐9.85 (4.08) | ‐15.86 | ‐1.78 |
| PBC | 5.84 (4.38) | ‐6.12 | 11.48 | ‐3.81 (3.81) | ‐9.16 | 2.68 | |
| 6 mm | AAA | ‐1.10 (4.14) | ‐9.12 | 8.24 | ‐4.91 (3.94) | ‐12.7 | 4.03 |
| PBC | 2.40 (4.63) | ‐6.56 | 11.08 | ‐1.54 (4.44) | ‐10.2 | 6.76 | |
SD = standard deviation which includes the uncertainties of 2.8 % and 0.9 % due to TLD dosimetry and directional dependence over the dosimetry data variation of this study using quadrature sum.
Negative sign (‐) indicates the calculated values were lesser than the TLD measured values; positive numbers indicate the calculated values were higher than the TLD measured values.