Table 2.

The Ratio of Thyroid-to-Normal Tissue in the Control and the Radiofrequency Ablation Groups

	Control group			RFA group
	Day 1	Day 8	Day 15	Day 1	Day 8	Day 15
Subgroups
I	1.67±0.34	4.73±2.75	8.24±9.13	1.96±0.58	14.78±14.73	14.20±14.65
II	1.20±0.32	3.76±0.62	2.64±0.97	2.39±1.38	8.56±6.29	11.15±5.79
III	1.40±0.55	4.42±1.70	6.97±5.71	1.83±0.66	14.55±13.39	23.95±21.76
Total		3.89±3.94			10.38±11.87

Control group: ¹³¹I-chTNT alone; RFA group: RFA+¹³¹I-chTNT combination.