Table 2.

The results of follow-up for participants without thyroid diseases in 2009.

Results in 2012	Male		Female
	n	%	n	%
Normal	417	54.02	149	51.56
TN	333	43.13	123	42.56
Cancer	5	0.65	2	0.69
DG	6	0.78	0	0.00
HT	10	1.30	15	5.19
SAT	1	0.13	0	0.00
Total	772		289

All of the results were based on B-mode ultrasound scanning.

TN: thyroid nodule; DG: diffuse goiter; SAT: subacute thyroiditis; HT: Hashimoto's thyroiditis.