Table 6.

NTCP, TCP values (in percent) and gEUD (for a = 1) for selected organs of the head and neck patient (NA is “Not Applicable”). The prescribed dose was 60 Gy at the target delivered in 30 fractions

	Brain stem	Optical nerve (left)	Optical nerve (right)	Spinal cord	Skin	CTV	GTV
S-Model	12.30	1.0×10−6	1.0×10−6	0.0	0.048	NA	NA
LKB with Eq. 4	9.27	7.17×10−6	6.18×10−6	0.02	0.004	NA	NA
Niemierko	12.10	5.0×10−4	4.0×10−4	0.06	0.159	NA	NA
Critical Volume	6.92	--	--	0.17	0.015	NA	NA
Critical Element	12.30	1.0×10−6	1.0×10−6	0.0	0.093	NA	NA
gEUDa=1 (Gy)	49.30	16.88	16.58	12.31	8.211	57.41	57.74
Poisson (TCP)	NA	NA	NA	NA	NA	69.72	71.08