Progress in Medical Physics

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Table. 1.

Table. 1.

The average PTV dose–volume parameters from dose distributions calculated using AAA and AXB

PTV AAA AXB P-value
Mean (Gy) 46.00±0.00 46.00±0.00 <0.001
D95% (Gy) 44.87±0.24 44.70±0.26 0.089
D98% (Gy) 44.49±0.30 44.32±0.28 0.129
D50% (Gy) 46.00±0.04 45.98±0.04 0.154
D2% (Gy) 47.34±0.15 47.75±0.16 <0.001
Max (Gy) 48.62±0.35 50.14±0.40 <0.001
Min (Gy) 41.24±1.40 41.30±0.97 0.902
HI 0.06±0.01 0.07±0.01 0.002
CI 0.51±0.02 0.50±0.02 0.200
MU 726.24±82.41 722.19±89.18 0.959

Values are presented as mean±standard deviation.

PTV, planning target volume; AAA, analytical anisotropic algorithm; AXB, Acuros XB; Max, maximum; Min, minimum; HI, homogeneity index; CI, conformity index; MU, monitor unit.

Progress in Medical Physics 2021;32:130-6 https://doi.org/10.14316/pmp.2021.32.4.130
© 2021 Progress in Medical Physics