- The reference values of normal subjects.
| Groups | Percentiles | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2.5th | 5th | 10th | 25th | 50th | 75th | 90th | 95th | 97.5th | |
| HbA2 | |||||||||
| Normal males | 2.3 | 2.4 | 2.5 | 2.6 | 2.8 | 2.9 | 3.0 | 3.1 | 3.2 |
| Normal females | 2.1 | 2.2 | 2.3 | 2.5 | 2.7 | 2.8 | 3.0 | 3.0 | 3.1 |
| Normal pregnant women | 1.9 | 2.2 | 2.3 | 2.4 | 2.4 | 2.7 | 2.9 | 3.0 | 3.1 |
| HbF | |||||||||
| Normal males | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Normal females | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 0.7 | 0.9 |
| Normal pregnant women | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.4 | 2.8 | 3.6 | 4.3 |
HbA2: hemoglobin A2, HbF: hemoglobin (fetal)