Progress in Medical Physics

Table. 2.

Table. 2.

The average organs at risk dose–volume parameters from dose distributions calculated using AAA and AXB

Structure AAA (Gy) AXB (Gy) P-value
Bladder
Mean 42.18±2.80 42.10±2.84 0.939
Max 47.50±1.16 47.80±1.06 0.468
D2% 46.53±1.47 46.55±1.49 0.978
Bowel
Mean 21.50±3.02 21.41±3.00 0.939
Max 48.07±0.28 49.18±0.41 <0.001
D2% 46.10±1.49 46.25 ±1.54 0.783
Rt femur
Mean 17.16±3.02 16.98±2.95 0.871
Max 44.10±0.86 43.82±1.01 0.615
D2% 38.73±1.47 38.14±1.45 0.422
Lt femur
Mean 17.37±2.70 17.19±2.70 0.858
Max 44.12±2.17 43.99±2.45 0.882
D2% 38.98±2.13 38.40±2.10 0.511
NTID (×102 L∙Gy) 3.52±0.653 3.52±0.668 0.987

AAA, analytical anisotropic algorithm; AXB, Acuros XB; Max, maximum; Rt, right; Lt, Left; NTID, normal tissue integral dose.

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