. Author manuscript; available in PMC: 2020 Aug 1.

Published in final edited form as: Med Phys. 2019 Jun 23;46(8):3700–3708. doi: 10.1002/mp.13638

Table 3.

Sensitivity and specificity of the Mobius3D recalculation as compared to institutional IMRT QA for poor phantom results (>5% phantom results). The independent recalculation was consistently more sensitive to detecting unacceptable plans.

Device	# tests	# poor results	% Sensitivity			% Specificity
Device	# tests	# poor results	IMRT QA	Mobius3D	Sig.	IMRT QA	Mobius3D	Sig.
All	337	59	5	47	^**	99	69	^**
EPID	58	16	0	56	^*	100	57	^**
ArcCheck	93	16	0	31	^*	100	66	^**
Ion Chamber	44	8	25	63		94	72	^*
IC + Array	29	6	17	50		96	65	^*
MapCheck	121	20	5	45	^*	100	69	^**

significant (0.001 to 0.05);

^**

highly significant (< 0.001)