Reference ranges for serum hepcidin (nM) per 5-year age group for men and women in the reference population*
| Age, y . | Men (N = 1066) . | Women (N = 882) . | ||||||
|---|---|---|---|---|---|---|---|---|
| N (%) . | Median . | 95% reference range . | N (%) . | Median . | 95% reference range . | |||
| P2.5 . | P97.5 . | P2.5 . | P97.5 . | |||||
| 18-24 | 10 (1) | 9.1 | 2.3 | 17.8 | 21 (2) | 2.6 | 0.7 | 10.5 |
| 25-29 | 16 (2) | 8.4 | 0.5 | 24.2 | 28 (3) | 3.1 | 0.6 | 11.0 |
| 30-34 | 18 (2) | 7.4 | 0.8 | 25.0 | 24 (3) | 3.9 | 0.2 | 21.0 |
| 35-39 | 22 (2) | 6.4 | 0.7 | 19.4 | 36 (4) | 3.3 | 0.5 | 16.0 |
| 40-44 | 19 (2) | 10.2 | 1.6 | 17.8 | 65 (7) | 4.8 | 0.3 | 24.2 |
| 45-49 | 76 (7) | 8.2 | 1.3 | 21.0 | 110 (12) | 3.5 | 0.3 | 14.6 |
| 50-54 | 106 (10) | 7.0 | 0.3 | 22.0 | 140 (16) | 5.4 | 0.4 | 22.8 |
| 55-59 | 173 (16) | 7.7 | 0.4 | 24.8 | 129 (15) | 8.5 | 0.8 | 21.7 |
| 60-64 | 179 (17) | 7.9 | 0.3 | 22.7 | 137 (16) | 8.2 | 1.2 | 27.3 |
| 65-69 | 186 (17) | 9.0 | 0.5 | 22.2 | 95 (11) | 8.4 | 1.4 | 22.6 |
| 70-74 | 133 (12) | 8.4 | 1.0 | 26.9 | 62 (7) | 8.7 | 1.0 | 37.8 |
| 75-79 | 99 (9) | 6.8 | 0.8 | 25.5 | 16 (2) | 9.2 | 2.1 | 29.0 |
| 80-84 | 22 (2) | 6.8 | 3.5 | 20.1 | 10 (1) | 11.9 | 1.6 | 19.2 |
| ≥ 85 | 7 (1) | 11.3 | 3.4 | 20.5 | 9 (1) | 6.7 | 1.2 | 24.5 |
| All | 1066 (100) | 7.8 | 0.6 | 23.3 | 882 (100) | 6.5 | 0.5 | 23.2 |
| Age, y . | Men (N = 1066) . | Women (N = 882) . | ||||||
|---|---|---|---|---|---|---|---|---|
| N (%) . | Median . | 95% reference range . | N (%) . | Median . | 95% reference range . | |||
| P2.5 . | P97.5 . | P2.5 . | P97.5 . | |||||
| 18-24 | 10 (1) | 9.1 | 2.3 | 17.8 | 21 (2) | 2.6 | 0.7 | 10.5 |
| 25-29 | 16 (2) | 8.4 | 0.5 | 24.2 | 28 (3) | 3.1 | 0.6 | 11.0 |
| 30-34 | 18 (2) | 7.4 | 0.8 | 25.0 | 24 (3) | 3.9 | 0.2 | 21.0 |
| 35-39 | 22 (2) | 6.4 | 0.7 | 19.4 | 36 (4) | 3.3 | 0.5 | 16.0 |
| 40-44 | 19 (2) | 10.2 | 1.6 | 17.8 | 65 (7) | 4.8 | 0.3 | 24.2 |
| 45-49 | 76 (7) | 8.2 | 1.3 | 21.0 | 110 (12) | 3.5 | 0.3 | 14.6 |
| 50-54 | 106 (10) | 7.0 | 0.3 | 22.0 | 140 (16) | 5.4 | 0.4 | 22.8 |
| 55-59 | 173 (16) | 7.7 | 0.4 | 24.8 | 129 (15) | 8.5 | 0.8 | 21.7 |
| 60-64 | 179 (17) | 7.9 | 0.3 | 22.7 | 137 (16) | 8.2 | 1.2 | 27.3 |
| 65-69 | 186 (17) | 9.0 | 0.5 | 22.2 | 95 (11) | 8.4 | 1.4 | 22.6 |
| 70-74 | 133 (12) | 8.4 | 1.0 | 26.9 | 62 (7) | 8.7 | 1.0 | 37.8 |
| 75-79 | 99 (9) | 6.8 | 0.8 | 25.5 | 16 (2) | 9.2 | 2.1 | 29.0 |
| 80-84 | 22 (2) | 6.8 | 3.5 | 20.1 | 10 (1) | 11.9 | 1.6 | 19.2 |
| ≥ 85 | 7 (1) | 11.3 | 3.4 | 20.5 | 9 (1) | 6.7 | 1.2 | 24.5 |
| All | 1066 (100) | 7.8 | 0.6 | 23.3 | 882 (100) | 6.5 | 0.5 | 23.2 |
See supplemental Table 6 for serum hepcidin reference ranges after the additional exclusion of persons with a serum ferritin concentration < 30 μg/L.