Table 2.
Distribution of Serum GDF-8 and GDF-11 Concentrations in Community-Dwelling Healthy Men, 19 Years or Older (N = 199)
| GDF-8 (ng/mL) | GDF-11 (ng/mL) | |
|---|---|---|
| Mean | 7.22 | 3.24 |
| Median | 6.79 | 3.11 |
| Standard deviation | 1.86 | 0.94 |
| Quartile range | 1.38 (6.22–7.60) | 0.48 (2.90–3.38) |
| 2.5th percentile | 5.09 | 2.59 |
| 5th percentile | 5.36 | 2.70 |
| 95th percentile | 10.3 | 4.06 |
| 97.5th percentile | 13.4 | 4.48 |
Notes: GDF-11 = growth and differentiation factor-11; GDF-8 = growth and differentiation factor-8. The distribution of serum GDF-11 and GDF-8 concentrations (ng/mL) in healthy men, 19 years or older.