Table 2. Reference intervals for sex hormones determined with the Immulite 2000XP system.
| Follitropin (mU/mL) | Lutropin (mU/mL) | Estradiol (pg/mL) | Progesterone (ng/mL) | Prolactin (ng/mL) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median | Lower limit | Upper limit | Median | Lower limit | Upper limit | Median | Lower limit | Upper limit | Median | Lower limit | Upper limit | Median | Lower limit | Upper limit | |
| Present study | |||||||||||||||
| Male (N = 220) | 3.49 3.19-3.91 |
1.23 1.11-1.37 |
10.5 9.46-11.7 |
3.54 3.21-3.72 |
1.56 1.45-1.69 |
7.37 6.83-7.95 |
10.2 10.0-10.5 |
- | <47.2 37.5-46.9 |
0.44 0.43-0.47 |
- | <0.82 0.76-0.93 |
6.22 5.74-6.85 |
2.35 2.14-2.58 |
15.7 14.3-17.2 |
| Follicular phase (N = 139) | 7.58 7.20-7.96 |
3.75 3.43-4.06 |
14.2 13.0-15.4 |
5.00 4.52-5.47 |
1.93 1.71-2.20 |
9.40 8.42-11.9 |
34.7 31.6-37.4 |
- | <97.1 71.9-126 |
0.46 0.42-0.52 |
<0.97 0.86-1.01 |
12.7 11.5-13.7 |
3.72 3.21-4.33 |
42.1 36.2-48.7 |
|
| Luteal phase (N = 87) | 4.07 3.40-4.71 |
1.66 1.46-1.88 |
9.59 8.26-11.1 |
4.12 3.40-4.72 |
1.67 1.47-1.90 |
9.65 8.32-11.1 |
102 87.1-114 |
31.9 26.7-39.0 |
307 260-361 |
8.01 6.78-8.74 |
0.55 - |
17.5 - |
15.9 13.6-17.1 |
4.65 3.61-6.12 |
49.5 38.4-63.12 |
| Postmenopausal (N = 103) | 76.2 70.7-83.7 |
39.3 35.6-43.6 |
159 142-175 |
26.6 24.1-30.1 |
14.4 13.0-15.9 |
53.8 49.1-59.1 |
10.0 - |
- | <31.1 27.4-35.5 |
0.1 - |
- | <0.41 0.30-0.55 |
5.42 4.91-6.20 |
2.18 1.87-2.56 |
13.7 11.7-15.8 |
| Manufacturer specifications | |||||||||||||||
| Male | 3.8 (N = 135) |
0.7 | 11.1 | 2.4 (N = 135) |
0.8 | 7.6 | 29.7 (N = 50) |
- | < 56.0 | 0.52 (N = 63) |
0.27 | 0.90 | 6.2 (N = 19) |
2.5 | 17.0 |
| Follicular phase | 6.2 (N = 762) |
2.8 | 11.3 | 4.6 (N = 762) |
1.1 | 11.6 | 42 (N = 702) |
- | < 160 | 0.47 (N = 382) |
- |  |
|||
| Luteal phase | 3.4 (N = 602) |
1.2 | 9.0 | 4.3 (N = 658) |
- | 14.7 | 93 (N = 604) |
27.0 | 246 | 8.9 (N = 323) |
0.27 | 9.4 (N = 115) |
1.9 | 25 | |
| Postmenopausal | 90.5 (N = 76) |
21.7 | 153 | 24.9 (N = 75) |
11.3 | 39.8 | 0 | - | < 30 | 0.36 (N = 34) |
- | ||||
*Reference intervals are presented as 2.5th to 97.5th percentiles. The numbers below the lower or upper limits represent the respective 90% confidence intervals.