Table 2.

Treatment effects after radiotherapy of HNX-OE xenografts

Group	10 Gy	14 Gy	18 Gy	22 Gy
Irradiation dosea (Gy)	9.9 ± 0.4	14.0 ± 0.1	18.0 ± 0.7	22.0 ± 0.2
ILSb	188 ± 99	336 ± 127	420 ± 112	413 ± 192
T/Cc
Day 2	22 ± 22	17 ± 30	28 ± 26	21 ± 14
Day 6	50 ± 13	48 ± 23	58 ± 12	48 ± 13
Day 8	47 ± 17	50 ± 21	61 ± 16	50 ± 17
Day 10	50 ± 11	57 ± 30	68 ± 20	56 ± 19
Day 13	70 ± 32	71 ± 15	75 ± 14	70 ± 9
Day 15	77 ± 10	82 ± 17	88 ± 7	82 ± 8
Day 17	77 ± 8	77 ± 28	89 ± 4	84 ± 8
Day 20	81 ± 22	81 ± 19	94 ± 4	91 ± 4

^aDose in gray (Gy, mean ± SD)

^bIncreased life span in percentage to control (mean ± SD)

^cTumor-to-control tumor volume ratio (T/C) in percentage to control (mean ± SD)