Table 3.

The percentiles of TSH (mU/l) and total T4 (μg/dL) concentrations in combined sex-age groups.

Age Group	2006									2011
		Male				Female					Male				Female
		5	95	2.5	97.5	5	95	2.5	97.5		5	95	2.5	97.5	5	95	2.5	97.5
≤30	TSH	0.5	4.1	0.4	5.02	0.6	3.9	0.5	4.8	TSH	0.52	4.67	0.5	4.9	1.1	3.6	1.1	3.6
	T4	3.2	8.5	3.2	8.5	5.0	11.6	5.0	11.6	T4	5.13	10.13	5.0	11.2	5.9	12.1	5.9	12.1
31-40	TSH	0.5	3.3	0.4	3.91	0.5	4.4	0.4	5.33	TSH	0.66	5.38	0.27	6.77	0.4	4.7	0.4	4.7
	T4	5.3	10.7	5.3	10.7	5.1	9.8	5.1	9.8	T4	5.7	11.56	3.93	12.31	5.55	11.94	5.1	13.2
41-50	TSH	0.6	3.8	0.4	4.68	0.9	4.85	0.62	5.43	TSH	0.75	3.51	0.57	5.53	0.92	6.04	0.73	6.45
	T4	5.3	9.7	5.3	9.7	5.1	8.4	5.1	8.4	T4	6.05	10.58	5.22	21.95	5.94	11.28	5.0	12.54
≥50	TSH	0.54	3.96	0.4	6.65	0.54	4.86	0.4	6.9	TSH	0.7	5.12	0.6	5.73	1.1	4.9	0.9	5.0
	T4	2.7	7.6	2.7	7.6	5.1	7.4	5.1	7.4	T4	5.6	10.36	5.0	10.86	5.8	11.5	5.4	11.8