Table 1.

Relative Surviving Fractions Compared to Controls in Radioadaptive Response Experiments.

Type of Sheet	Very Low Dose			Low Dose
Culture duration, weeks	2	4	6	2	4	6
Radiation dose, Gy
2	1.14 (0.20)	1.06 (0.11)	1.08 (0.08)	1.12 (0.18)	1.12 (0.13)	0.95 (0.14)
4	1.26 (0.19)	1.02 (0.18)	1.14 (0.16)a	1.13 (0.21)	1.11 (0.21)	0.94 (0.10)a
6	1.24 (0.17)	1.08 (0.34)	1.29 (0.18)b	1.14 (0.20)c	1.11 (0.17)d	0.83 (0.15)b,c,d
8	1.46 (0.53)	1.37 (0.57)	1.56 (0.48)a	1.08 (0.18)	1.04 (0.18)	0.94 (0.36)a

^a P = .01, by t-test.

^b P = .0001, by t-test.

^c P = .01, by factorial analysis of variance followed by the Bonferroni-Dunn post hoc test.

^d P = .02, by factorial analysis of variance followed by the Bonferroni-Dunn post hoc test.