Table 5: Selected percentile points with 95%
confidence intervals for thyroid stimulating hormone (TSH), free triiodothyronine (FT3), free thyroxine
(FT4), total triiodothyronine (TT3), total thyroxine (TT4) thyroglobulin (TGN) by gender, age, race/ethnicity,
smoking status, and iodine sufficiency status for reference U.S. population.
Data from National Health and Nutrition Examination Survey 2007-2012.
Demographic Variable |
Percentile |
TSH in µIU/mL |
FT3 in pg/mL |
FT4 in ng/dL |
TT3 in ng/dL |
TT4 in µg/mL |
TGN in ng/mL |
Total |
2.5 |
0.5 (0.4-0.5) |
2.5 (2.5-2.6) |
0.6 (0.6-0.6) |
78.9 (75.8-82.1) |
5.5 (5.4-5.6) |
2.5 (2.3-2.8) |
50 |
1.5 (1.4-1.6) |
3.2 (3.2-3.2) |
0.8 (0.8-0.8) |
115.3 (113.4-117.3 |
7.4 (7.3-7.5) |
10.4 (9.7-11.2) |
|
97.5 |
4 (3.6-4.5) |
4.1 (4-4.2) |
1.1 (1.1-1.1) |
169.3 (161-177.7) |
11 (10.6-11.4) |
48.4 (43.5-53.2) |
|
Male |
2.5 |
0.5 (0.4-0.6) |
2.6 (2.5-2.7) |
0.6 (0.6-0.6) |
78 (72.8-83.1) |
5.4 (5.3-5.6) |
2.5 (2.2-2.9) |
50 |
1.5 (1.4-1.6) |
3.3 (3.3-3.3) |
0.8 (0.8-0.8) |
116.9 (114-119.9) |
7.2 (7.1-7.3) |
10 (9.2-10.7) |
|
97.5 |
4.1 (3.1-5.1) |
4.2 (4.1-4.3) |
1.1 (1-1.1) |
163.6 (159.6-167.7 |
10.5 (10.1-10.9) |
37.6 (29.9-45.3) |
|
Female |
2.5 |
0.4 (0.4-0.5) |
2.4 (2.3-2.5) |
0.6 (0.6-0.6) |
80 (76.7-83.3) |
5.7 (5.4-6) |
2.5 (2-3.1) |
50 |
1.5 (1.4-1.6) |
3.1 (3.1-3.1) |
0.8 (0.8-0.8) |
113.1 (111.1-115) |
7.6 (7.5-7.7) |
11 (9.7-12.4) |
|
97.5 |
3.9 (3.4-4.4) |
4 (3.9-4) |
1.1 (1.1-1.1) |
171.5 (162.8-180.1 |
11.4 (10.9-11.8) |
52 (35.9-68.1) |
|
Age: 12-19 Years |
2.5 |
0.5 (0.3-0.6) |
2.8 (.-.) |
0.6 (.-.) |
94.5 (88.7-100.3) |
5.6 (5.4-5.8) |
2.5 (1.9-3.1) |
50 |
1.5 (1.4-1.6) |
3.6 (3.5-3.7) |
0.8 (0.8-0.8) |
130.3 (126.7-133.9 |
7.2 (7-7.4) |
8.8 (8-9.7) |
|
97.5 |
3.5 (3.3-3.7) |
4.4 (4.1-4.8) |
1.1 (1-1.2) |
183.6 (163.1-204.2 |
10 (9.6-10.3) |
29.8 (23.1-36.5) |
|
Age: 20-64 Years |
2.5 |
0.5 (0.4-0.5) |
2.6 (2.5-2.7) |
0.6 (0.6-0.6) |
80.9 (77.2-84.5) |
5.5 (5.3-5.7) |
2.5 (2.2-2.9) |
50 |
1.4 (1.4-1.5) |
3.2 (3.2-3.2) |
0.8 (0.8-0.8) |
114.6 (112.3-116.9 |
7.4 (7.2-7.5) |
10.8 (9.9-11.7) |
|
97.5 |
3.9 (3.4-4.3) |
4 (3.9-4.1) |
1.1 (1-1.1) |
166.3 (154.7-177.9 |
11 (10.5-11.5) |
48.4 (40.3-56.6) |
|
Age: 65+ Years |
2.5 |
0.3 (.-.) * |
2.4 (2.3-2.4) |
0.6 (.-.)* |
68.5 (59.7-77.4) |
5.5 (.-.)* |
2.5 (.-.)* |
50 |
1.8 (1.6-2) |
2.9 (2.9-3) |
0.8 (0.8-0.8) |
105.7 (102.5-108.9 |
7.6 (7.4-7.8) |
10.4 (8.9-11.9) |
|
97.5 |
5.4 (.-.)* |
3.5 (.-.)* |
1.1 (1-1.2) |
147.6 (137.6-157.6 |
11.5 (10.7-12.2) |
57.1 (29.4-84.7) |
|
Non-Hispanic White |
2.5 |
0.5 (0.4-0.6) |
2.5 (2.4-2.6) |
0.6 (0.6-0.6) |
78.8 (74.6-83) |
5.4 (5.2-5.6) |
2.7 (2.3-3) |
50 |
1.6 (1.5-1.7) |
3.2 (3.1-3.2) |
0.8 (0.8-0.8) |
115.3 (112.9-117.7 |
7.3 (7.1-7.5) |
10.5 (9.6-11.4) |
|
97.5 |
4.3 (3.2-5.4) |
4.1 (4-4.2) |
1.1 (1-1.1) |
169.6 (159.8-179.4 |
10.8 (10.2-11.4) |
46.4 (40.4-52.4) |
|
Non-Hispanic Black |
2.5 |
0.4 (0.4-0.5) |
2.6 (2.5-2.7) |
0.6 (0.6-0.6) |
76.3 (72.7-79.9) |
5.5 (5.3-5.6) |
3.6 (3.1-4.1) |
50 |
1.2 (1.2-1.3) |
3.2 (3.2-3.2) |
0.8 (0.8-0.8) |
114.4 (110.9-117.9 |
7.6 (7.4-7.8) |
14.2 (12.7-15.8) |
|
97.5 |
3.6 (3.3-3.9) |
4.2 (4.1-4.3) |
1.1 (1-1.2) |
182.3 (162.7-201.9 |
11.4 (10.6-12.2) |
67 (45.6-88.3) |
|
Hispanic |
2.5 |
0.5 (0.5-0.6) |
2.7 (2.6-2.8) |
0.6 (0.6-0.6) |
82.9 (75.7-90) |
5.6 (5.5-5.8) |
1.9 (0.8-2.9) |
50 |
1.5 (1.4-1.5) |
3.3 (3.2-3.3) |
0.8 (0.8-0.8) |
117.1 (113.6-120.7 |
7.5 (7.3-7.8) |
8.8 (8.2-9.4) |
|
97.5 |
4.2 (3.6-4.8) |
4.2 (4-4.3) |
1.1 (1.1-1.1) |
164.9 (154.1-175.8 |
11.2 (10.7-11.8) |
31.9 (20-43.9) |
|
Non-smoker |
2.5 |
0.5 (0.4-0.6) |
2.5 (2.4-2.6) |
0.6 (0.6-0.6) |
78.5 (74.9-82.1) |
5.6 (5.4-5.7) |
2.3 (1.9-2.8) |
50 |
1.6 (1.5-1.6) |
3.2 (3.2-3.2) |
0.8 (0.8-0.8) |
115.2 (113.1-117.2 |
7.3 (7.2-7.5) |
9.7 (9-10.4) |
|
97.5 |
4.3 (3.7-5) |
4.1 (4-4.2) |
1.1 (1.1-1.1) |
166.5 (160.8-172.2 |
10.9 (10.5-11.3) |
46.5 (41.3-51.8) |
|
Smoker |
2.5 |
0.4 (0.3-0.5) |
2.6 (2.4-2.8) |
0.6 (0.6-0.6) |
80.3 (75.7-84.9) |
5.4 (5.1-5.8) |
3 (2.4-3.6) |
50 |
1.3 (1.2-1.4) |
3.2 (3.2-3.3) |
0.8 (0.8-0.8) |
115.9 (111.6-120.2 |
7.5 (7.3-7.7) |
12.8 (11.4-14.3) |
|
97.5 |
3.3 (2.9-3.7) |
4.1 (3.9-4.4) |
1.1 (1-1.1) |
175.5 (162.6-188.5 |
11 (10.1-11.9) |
50.9 (44.9-56.9) |
|
Iodine Deficient |
2.5 |
0.5 (0.3-0.6) |
2.6 (2.5-2.7) |
0.6 (0.6-0.6) |
83.3 (78.7-88) |
5.6 (5.4-5.9) |
2.7 (2.3-3.2) |
50 |
1.4 (1.3-1.5) |
3.2 (3.2-3.3) |
0.8 (0.8-0.8) |
116.5 (114.1-118.8 |
7.5 (7.3-7.7) |
11.3 (10-12.6) |
|
97.5 |
3.8 (3.4-4.3) |
4.1 (4-4.2) |
1.1 (1.1-1.1) |
163.7 (150.8-176.6 |
10.7 (10.2-11.2) |
49.3 (37.6-61) |
|
Iodine Replete |
2.5 |
0.5 (0.4-0.5) |
2.5 (2.4-2.6) |
0.6 (0.6-0.6) |
77.2 (73.6-80.8) |
5.4 (5.2-5.6) |
2.5 (2-2.9) |
50 |
1.5 (1.5-1.6) |
3.2 (3.1-3.2) |
0.8 (0.8-0.8) |
114.5 (112.3-116.7 |
7.4 (7.2-7.5) |
10 (9.3-10.8) |
|
|
97.5 |
4.1 (3.4-4.9) |
4.1 (4-4.2) |
1.1 (1-1.1) |
169.9 (159.7-180.2 |
11 (10.5-11.4) |
48.4 (41-55.7) |
*Not
enough variability in the data to compute confidence intervals.