Table 4.

Dosimetric and volumetric data of the organs at risk (OAR)

Organs at risk (N = 65)	Median mean dose (Gy)	Mean dose range (Gy)	Median maximal dose (Gy)	Maximal dose range (Gy)
Whole brain	1.38	0.56–2.78	24.34	19.41–27.15
Left hippocampus	1.13	0.26–4.83	1.42	0.30–17.31
Right hippocampus	1.56	0.12–6.03	1.43	0.19–24.92
Brainstem	1.01	0.24–2.28	2.28	0.63–18.15
Optic chiasm	1.08	0.17–4.98	1.37	0.19–8.73
Cochlea left	0.78	0.11–4.99	0.55	0.13–6.75
Cochlea right	0.93	0.08–7.33	0.70	0.08–11.27
Eye left	0.50	0.12–1.85	0.67	0.16–3.66
Eye right	0.53	0.09–2.73	0.77	0.12–8.75
Lens left	0.43	0.11–1.43	0.46	0.13–1.78
Lens right	0.47	0.10–2.28	0.44	0.10–2.71
Optic nerve left	0.80	0.14–4.17	0.88	0.18–6.15
Optic nerve right	0.83	0.12–3.85	0.96	0.14–11.86
Optic tract left	1.18	0.20–4.94	1.17	0.31–11.62
Optic tract right	1.18	0.16–4.91	1.22	0.19–15.71