TABLE 2.

γ-H2AX and 53BP1 Focus Counts per Nucleus Before and After Radioiodine Therapy

	Background (pretherapy) value	Time after radioiodine administration (h)
Variable	Background (pretherapy) value	2	24	48	72	96	120–144
γ-H2AX
Median	0.0030	0.227	0.116	0.101	0.086	0.053	0.054
Minimum	0.0012	0.026	0.016	0.010	0.001	0.005	0.021
Maximum	0.0176	0.748	0.423	0.160	0.233	0.224	0.103
n^*	25	21	14	20	18	14	8
53BP1
Median	0.0073	0.235	0.079	0.086	0.068	0.046	0.046
Minimum	0.0012	0.037	0.041	0.027	0.014	0.004	0.019
Maximum	0.0333	0.715	0.418	0.174	0.277	0.241	0.076
n^*	23	19	13	19	17	13	6