Table 2: 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 |
5 |
0.6
(0.6-0.6) |
2.7
(2.6-2.7) |
0.6
(0.6-0.6) |
84.3
(82-86.7) |
5.7
(5.6-5.9) |
3.3
(3.1-3.5) |
10 |
0.7
(0.7-0.8) |
2.8
(2.7-2.8) |
0.7
(0.6-0.7) |
89.3
(87.3-91.4) |
6
(5.9-6.1) |
4.1
(3.8-4.4) |
|
25 |
1
(1-1.1) |
3
(2.9-3) |
0.7
(0.7-0.7) |
101.8
(100.1-103.5 |
6.6
(6.5-6.7) |
6.6
(6.2-7) |
|
75 |
2.1
(2-2.2) |
3.5
(3.4-3.5) |
0.9
(0.9-0.9) |
129.4
(127.5-131.3 |
8.3
(8.2-8.4) |
16.8
(15.6-18) |
|
90 |
2.9
(2.7-3) |
3.7
(3.7-3.8) |
1
(1-1) |
145.7
(142.9-148.5 |
9.3
(9.1-9.5) |
27.8
(25.2-30.3) |
|
95 |
3.4
(3.2-3.7) |
3.9
(3.9-4) |
1
(1-1) |
156.3
(152.6-160) |
10.2
(10-10.4) |
37.2
(34.7-39.7) |
|
Male |
5 |
0.6
(0.6-0.7) |
2.7
(2.6-2.8) |
0.6
(0.6-0.6) |
84.4
(81.8-87) |
5.6
(5.5-5.7) |
3.2
(3-3.5) |
10 |
0.8
(0.7-0.8) |
2.8
(2.8-2.9) |
0.7
(0.6-0.7) |
90.3
(86.3-94.4) |
6
(5.9-6.1) |
4
(3.6-4.4) |
|
25 |
1.1
(1-1.2) |
3.1
(3-3.1) |
0.7
(0.7-0.7) |
103
(100.5-105.6) |
6.5
(6.4-6.6) |
6.3
(5.7-7) |
|
75 |
2.1
(2-2.2) |
3.6
(3.5-3.6) |
0.9
(0.9-0.9) |
131.6
(129.1-134.2 |
8.2
(8-8.3) |
15.4
(14.3-16.5) |
|
90 |
2.9
(2.7-3.1) |
3.8
(3.7-3.9) |
1
(1-1) |
146.7
(144.1-149.3 |
9
(8.8-9.2) |
22
(20.1-23.8) |
|
95 |
3.6
(3.3-3.9) |
4
(4-4.1) |
1
(1-1) |
155.4
(152.1-158.6 |
9.9
(9.4-10.3) |
30
(26.3-33.6) |
|
Female |
5 |
0.5
(0.5-0.6) |
2.6
(2.5-2.7) |
0.6
(0.6-0.6) |
84.2
(81-87.3) |
5.8
(5.7-5.9) |
3.3
(2.9-3.8) |
10 |
0.7
(0.7-0.8) |
2.7
(2.6-2.8) |
0.7
(0.6-0.7) |
88.8
(87.3-90.3) |
6.2
(6-6.3) |
4.1
(3.5-4.7) |
|
25 |
1
(1-1) |
2.9
(2.8-2.9) |
0.7
(0.7-0.7) |
99.1
(96.5-101.7) |
6.8
(6.7-6.9) |
6.8
(6-7.5) |
|
75 |
2.1
(1.9-2.2) |
3.3
(3.3-3.4) |
0.9
(0.9-0.9) |
125.1
(122.6-127.6 |
8.5
(8.4-8.6) |
19.3
(16.7-21.9) |
|
90 |
2.8
(2.6-3) |
3.6
(3.6-3.7) |
1
(0.9-1) |
144.3
(140.3-148.3 |
9.6
(9.3-9.9) |
33.3
(30.3-36.3) |
|
95 |
3.3
(3.1-3.5) |
3.8
(3.7-3.9) |
1
(1-1.1) |
157.7
(149.6-165.7 |
10.6
(10.2-11) |
44.8
(39.7-49.9) |
|
Age:
12-19 Years |
5 |
0.6
(0.5-0.7) |
3
(2.8-3.1) |
0.6
(0.6-0.7) |
99.1
(95-103.2) |
5.7
(5.6-5.9) |
3
(2.3-3.7) |
10 |
0.7
(0.6-0.8) |
3.1
(3-3.2) |
0.7
(0.6-0.7) |
107
(103.2-110.9) |
6.1
(5.9-6.3) |
4.1
(3.2-5) |
|
25 |
1
(0.9-1.1) |
3.3
(3.2-3.4) |
0.7
(0.7-0.7) |
116.5
(113.3-119.7 |
6.6
(6.4-6.7) |
5.9
(5.2-6.6) |
|
75 |
1.9
(1.8-2.1) |
3.8
(3.7-3.9) |
0.9
(0.9-0.9) |
145.4
(140.2-150.6 |
8
(7.9-8.1) |
13.1
(11.5-14.7) |
|
90 |
2.6
(2.4-2.8) |
4.1
(4-4.2) |
1
(0.9-1) |
161.3
(154.5-168.2 |
8.8
(8.5-9.1) |
19.1
(16.2-21.9) |
|
95 |
3.2
(2.9-3.5) |
4.3
(4.2-4.4) |
1
(1-1.1) |
169.7
(156.8-182.7 |
9.2
(8.8-9.6) |
25.5
(20.8-30.3) |
|
Age:
20-64 Years |
5 |
0.6
(0.5-0.6) |
2.7
(2.6-2.7) |
0.6
(0.6-0.6) |
85.4
(83-87.8) |
5.7
(5.6-5.9) |
3.3
(3-3.6) |
10 |
0.7
(0.7-0.8) |
2.8
(2.7-2.8) |
0.7
(0.6-0.7) |
90
(88.2-91.7) |
6
(5.9-6.1) |
4
(3.7-4.4) |
|
25 |
1
(1-1.1) |
3
(3-3) |
0.7
(0.7-0.7) |
101.5
(99.6-103.4) |
6.6
(6.5-6.7) |
6.7
(6.1-7.2) |
|
75 |
2
(1.9-2.1) |
3.4
(3.4-3.5) |
0.9
(0.9-0.9) |
127.8
(125.6-130) |
8.3
(8.2-8.5) |
17.4
(15.7-19.1) |
|
90 |
2.8
(2.7-2.9) |
3.7
(3.6-3.7) |
1
(0.9-1) |
142.5
(138.6-146.3 |
9.4
(9.1-9.6) |
29.1
(25.9-32.2) |
|
95 |
3.3
(3-3.6) |
3.8
(3.7-3.9) |
1
(1-1) |
152.9
(148.5-157.3 |
10.3
(9.9-10.6) |
37.5
(31.9-43) |
|
Age:
65+ Years |
5 |
0.7
(0.4-1) |
2.5
(2.4-2.5) |
0.6
(.-.) * |
76
(71.3-80.8) |
6
(5.6-6.5) |
3.4
(2.5-4.2) |
10 |
0.9
(0.7-1.1) |
2.6
(2.5-2.7) |
0.7
(0.6-0.7) |
80.9
(76.9-85) |
6.3
(6.1-6.5) |
4.2
(3.7-4.8) |
|
25 |
1.3
(1.1-1.4) |
2.8
(2.7-2.8) |
0.7
(0.7-0.8) |
91.5
(87-95.9) |
6.9
(6.6-7.1) |
6.6
(5.6-7.5) |
|
75 |
2.5
(2.2-2.8) |
3.2
(3.1-3.2) |
0.9
(0.9-0.9) |
119.2
(115.8-122.6 |
8.6
(8.3-8.8) |
17.5
(15.7-19.3) |
|
90 |
3.4
(2.9-3.8) |
3.3
(3.3-3.3) |
1
(1-1) |
129.6
(125.6-133.7) |
9.5
(9-10.1) |
31.7
(25.9-37.4) |
|
95 |
4.1
(3-5.2) |
3.4
(3.3-3.5) |
1
(1-1.1) |
135.1
(127.7-142.5) |
10.5
(9.8-11.1) |
42.1
(34.6-49.6) |
|
Non-Hispanic
White |
5 |
0.6
(.-.)* |
2.6
(2.6-2.7) |
0.6
(0.6-0.6) |
84.3
(81-87.6) |
5.7
(5.5-5.9) |
3.3
(2.9-3.7) |
10 |
0.7
(.-.)* |
2.8
(2.7-2.8) |
0.7
(0.6-0.7) |
88.7
(86.3-91.2) |
6
(5.8-6.1) |
4.1
(3.7-4.5) |
|
25 |
1
(.-.)* |
3
(2.9-3) |
0.7
(0.7-0.7) |
101.1
(98.9-103.3) |
6.6
(6.4-6.7) |
6.7
(6.3-7.2) |
|
75 |
1.9
(.-.) * |
3.5
(3.4-3.5) |
0.9
(0.9-0.9) |
128.8
(126.7-130.8) |
8.2
(8-8.4) |
16.9
(15.2-18.6) |
|
90 |
2.6
(.-.) * |
3.7
(3.6-3.8) |
1
(0.9-1) |
144.8
(141.2-148.3) |
9.1
(8.8-9.3) |
28
(24.4-31.5) |
|
95 |
3.2
(.-.) * |
4
(3.9-4) |
1
(1-1) |
156.5
(150.1-162.9) |
9.9
(9.5-10.3) |
37.2
(34.3-40.1) |
|
Non-Hispanic
Black |
5 |
0.6
(.-.) * |
2.7
(2.6-2.7) |
0.6
(0.6-0.6) |
82.8
(78.2-87.4) |
5.7
(5.6-5.9) |
4.4
(4-4.9) |
10 |
0.7
(.-.) * |
2.8
(2.7-2.8) |
0.7
(0.7-0.7) |
89.6
(86.1-93.1) |
6.1
(5.9-6.3) |
5.8
(5.3-6.2) |
|
25 |
1
(.-.) * |
3
(2.9-3) |
0.7
(0.7-0.8) |
101.5
(98.3-104.7) |
6.8
(6.7-6.9) |
8.5
(8.1-9) |
|
75 |
2
(.-.) * |
3.4
(3.4-3.5) |
0.9
(0.9-0.9) |
130.3
(126.3-134.2) |
8.5
(8.2-8.8) |
22.8
(20.7-24.9) |
|
90 |
2.8
(.-.) * |
3.8
(3.7-3.8) |
1
(0.9-1) |
148
(143.2-152.9) |
9.7
(9.3-10.1) |
33.2
(27.9-38.5) |
|
95 |
3.3
(.-.) * |
4
(3.9-4.1) |
1
(1-1) |
158.9
(148.3-169.5) |
10.7
(10-11.3) |
47.4
(36.3-58.5) |
|
Hispanic |
5 |
0.7
(.-.) * |
2.7
(2.7-2.8) |
0.6
(0.6-0.6) |
87.4
(83.1-91.7) |
5.8
(5.7-5.9) |
2.7
(2.1-3.3) |
10 |
0.9
(.-.) * |
2.8
(2.8-2.9) |
0.7
(0.6-0.7) |
93.7
(91.2-96.1) |
6.1
(6-6.2) |
3.5
(3.1-3.8) |
|
25 |
1.3
(.-.) * |
3
(3-3.1) |
0.7
(0.7-0.7) |
105.5
(101.9-109) |
6.8
(6.6-7) |
5.5
(4.9-6) |
|
75 |
2.5
(.-.) * |
3.5
(3.5-3.6) |
0.9
(0.9-0.9) |
133
(129.1-136.9) |
8.5
(8.3-8.7) |
13.7
(12.7-14.6) |
|
90 |
3.4
(.-.) * |
3.8
(3.7-3.8) |
1
(0.9-1) |
149.7
(146.6-152.8) |
9.5
(9.1-9.9) |
19.5
(17.6-21.4) |
|
95 |
4.1
(.-.) * |
3.9
(3.7-4.1) |
1
(1-1.1) |
157.7
(153.9-161.5) |
10.4
(10-10.8) |
25.8
(22-29.5) |
|
Non-smoker |
5 |
0.6
(0.6-0.7) |
2.6
(2.6-2.7) |
0.6
(0.6-0.6) |
84.4
(81.9-87) |
5.7
(5.6-5.9) |
3.1
(2.8-3.4) |
10 |
0.8
(0.7-0.8) |
2.8
(2.7-2.8) |
0.7
(0.6-0.7) |
89.3
(87.2-91.4) |
6.1
(6-6.2) |
3.9
(3.7-4.1) |
|
25 |
1.1
(1-1.1) |
3
(2.9-3) |
0.7
(0.7-0.7) |
101.7
(99.7-103.6) |
6.6
(6.5-6.7) |
6.1
(5.6-6.7) |
|
75 |
2.2
(2.1-2.3) |
3.5
(3.4-3.5) |
0.9
(0.9-0.9) |
128.7
(126.3-131.2) |
8.3
(8.1-8.4) |
15.4
(14.2-16.6) |
|
90 |
3
(2.8-3.1) |
3.7
(3.7-3.8) |
1
(1-1) |
145.2
(141.8-148.5) |
9.3
(9.1-9.5) |
24.6
(21.6-27.7) |
|
95 |
3.6
(3.3-3.8) |
3.9
(3.8-4) |
1
(1-1) |
155.5
(152.2-158.8) |
10.1
(9.9-10.3) |
36.4
(32.2-40.6) |
|
Smoker |
5 |
0.5
(0.4-0.6) |
2.7
(2.6-2.7) |
0.6
(0.6-0.6) |
84.1
(80-88.3) |
5.7
(5.5-5.9) |
3.8
(3.2-4.4) |
10 |
0.6
(0.5-0.7) |
2.8
(2.7-2.9) |
0.7
(0.6-0.7) |
89.3
(85.1-93.6) |
5.9
(5.8-6.1) |
5.2
(4.5-5.9) |
|
25 |
0.9
(0.8-1) |
3
(3-3) |
0.7
(0.7-0.7) |
102
(98.7-105.4) |
6.7
(6.4-6.9) |
7.9
(6.8-8.9) |
|
75 |
1.9
(1.7-2) |
3.5
(3.4-3.6) |
0.9
(0.9-0.9) |
130.4
(127.4-133.4) |
8.4
(8.1-8.7) |
20.1
(17.4-22.9) |
|
90 |
2.7
(2.4-3) |
3.8
(3.7-3.9) |
1
(0.9-1) |
146.9
(141.2-152.7) |
9.3
(8.8-9.8) |
32.4
(29.8-35) |
|
95 |
2.9
(2.7-3.1) |
3.9
(3.8-4.1) |
1
(1-1.1) |
161.7
(151.6-171.7) |
10.4
(9.8-10.9) |
39.5
(34.1-44.9) |
|
Iodine
Deficient |
5 |
0.6
(0.5-0.7) |
2.7
(2.6-2.8) |
0.6
(0.6-0.6) |
85.9
(83.1-88.7) |
5.9
(5.7-6) |
3.4
(3-3.7) |
10 |
0.7
(0.6-0.8) |
2.8
(2.7-2.9) |
0.7
(0.6-0.7) |
91.6
(88.3-94.8) |
6.1
(6-6.2) |
4.4
(3.9-4.8) |
|
25 |
1
(0.9-1.1) |
3
(3-3.1) |
0.7
(0.7-0.7) |
105
(102.6-107.4) |
6.7
(6.6-6.7) |
7.1
(6.4-7.8) |
|
75 |
2
(1.9-2.1) |
3.5
(3.4-3.5) |
0.9
(0.9-0.9) |
130.2
(127.7-132.7) |
8.3
(8.1-8.6) |
18.3
(16.4-20.2) |
|
90 |
2.8
(2.6-2.9) |
3.7
(3.6-3.8) |
1
(0.9-1) |
145.6
(141.3-149.9) |
9.3
(8.9-9.6) |
29.7
(25.9-33.6) |
|
95 |
3.3
(2.9-3.6) |
3.9
(3.8-4) |
1
(1-1.1) |
154.3
(148.6-160) |
10.2
(9.7-10.6) |
38.1
(33.6-42.6) |
|
Iodine
Replete |
5 |
0.6
(0.5-0.7) |
2.6
(2.6-2.7) |
0.6
(0.6-0.6) |
82.7
(79.4-86.1) |
5.7
(5.5-5.9) |
3.2
(2.9-3.4) |
10 |
0.8
(0.7-0.8) |
2.8
(2.7-2.8) |
0.7
(0.6-0.7) |
88.4
(86-90.8) |
6
(5.9-6.2) |
4
(3.7-4.2) |
|
25 |
1.1
(1-1.1) |
3
(2.9-3) |
0.7
(0.7-0.7) |
100.9
(98.7-103.1) |
6.6
(6.5-6.7) |
6.3
(5.8-6.9) |
|
75 |
2.1
(2-2.2) |
3.5
(3.4-3.5) |
0.9
(0.9-0.9) |
129.2
(126.8-131.5) |
8.3
(8.2-8.4) |
15.4
(14.1-16.8) |
|
90 |
2.9
(2.7-3.1) |
3.8
(3.7-3.8) |
1
(0.9-1) |
145.7
(142-149.3) |
9.3
(9.1-9.5) |
25.4
(22.7-28.1) |
|
|
95 |
3.5
(3.2-3.8) |
4
(3.9-4) |
1
(1-1) |
158.1
(153.4-162.9 |
10.2
(9.9-10.4) |
36
(32-39.9) |
*Not enough variability in the data to compute
confidence intervals.