. Author manuscript; available in PMC: 2016 Mar 1.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2015 Jan 10;91(3):564–570. doi: 10.1016/j.ijrobp.2014.10.054

Table 1.

Summary of dosimetric data from all treatment plans that passed pre-enrollment credentialing.

Dosimetric parameter	Mean value	Range	Protocol-Specified Compliance Criteria
Dosimetric parameter	Mean value	Range	Per Protocol	Variation Acceptable	Deviation Unacceptable
PTV V95%	96.4%	94.0–99.7%
PTV D98%	26.3Gy	18.3–36.1Gy	≥25Gy	<25Gy
PTV D90%	30.9Gy	30.0–36.6Gy			<30.0Gy
PTV D2%	36.0Gy	31.7–39.8Gy	≤37.5Gy	>37.5Gy, ≤40Gy	>40.0Gy
Hippocampal maximum dose	14.8Gy	10.6–17.0Gy	≤16Gy	≤17Gy	>17Gy
Hippocampal D100%	8.6Gy	6.3–10.0Gy	≤9Gy	≤10Gy	>10Gy
Optic nerve maximum dose	32.8Gy	11.4–37.2Gy	≤37.5 Gy	≤37.5Gy	>37.5Gy
Optic chiasm maximum dose	34.4Gy	31.0–37.4Gy	≤37.5 Gy	≤37.5Gy	>37.5Gy