Table 6.
Three‐dimensional (3D) gamma index, comparing gel‐measured with the treatment‐planning system (TPS)‐calculated dose distributions using 2%/1 mm and 2%/2 mm passing criteria with 10% low‐dose threshold.
References | Scenario 1 | Scenario 2 | |
---|---|---|---|
PTV1 | |||
2%/1 mm | 97.8 | 94.4 | 96.7 |
2%/2 mm | 99.6 | 99.2 | 99.3 |
PTV2 | |||
2%/1 mm | 99.8 | 96.4 | 88.6 |
2%/2 mm | 100.0 | 100.0 | 98.4 |
PTV, planning target volume.