Table 7. Annual Mean Incidence of Patients with Hashimoto's Thyroiditis Taking Levothyroxine from 2008 to 2012.

	Men		Women		All
	Incidence	Number	Incidence	Number	Incidence	Number
Age, yr
≤4	0	6	0	9	0	15
5-9	0.01	34	0.05	286	0.03	320
10-14	0.01	55	0.09	650	0.04	705
15-19	0	43	0.06	492	0.03	535
20-24	0	38	0.13	924	0.06	962
25-29	0.01	96	0.33	2,891	0.17	2,987
30-34	0.02	209	0.50	4,601	0.26	4,810
35-39	0.03	327	0.38	3,853	0.20	4,180
40-44	0.04	376	0.35	3,578	0.19	3,954
45-49	0.05	466	0.43	4,406	0.24	4,872
50-54	0.05	510	0.51	4,868	0.28	5,378
55-59	0.07	463	0.47	3,298	0.27	3,761
60-64	0.07	395	0.36	2,016	0.22	2,411
65-69	0.07	307	0.26	1,278	0.17	1,585
70-74	0.05	177	0.14	628	0.10	805
75-79	0.04	91	0.09	307	0.07	398
80-84	0.05	44	0.04	86	0.04	130
≥85	0.03	12	0.02	21	0.02	33
Total	0.03	3,649	0.28	34,192	0.16	37,841