Table 2 Normal ranges for serum activin A, B and follistatin
Analyte | Sex | Age (years) | Number | Concentration (ng/mL) | 95% CI |
|---|---|---|---|---|---|
Activin A | M/F | 18 to 50 | 56 | 0.087 ± 0.004 | 0.080, 0.095 |
51 to 65 | 52 | 0.110 ± 0.005 | 0.099, 0.120 | ||
66+ | 30 | 0.150 ± 0.009 | 0.130, 0.170 | ||
Activin B | F | 18 to 50 | 29 | 0.085 ± 0.005 | 0.074, 0.096 |
51 to 65 | 31 | 0.062 ± 0.005 | 0.051, 0.073 | ||
66+ | 20 | 0.071 ± 0.005 | 0.060, 0.082 | ||
Activin B | M | 18 to 50 | 27 | 0.061 ± 0.004 | 0.053, 0.069 |
51 to 65 | 21 | 0.064 ± 0.005 | 0.053, 0.074 | ||
66+ | 10 | 0.086 ± 0.008 | 0.069, 0.100 | ||
Follistatin | M/F | 18 to 50 | 56 | 11.67 ± 0.63 | 10.40, 12.94 |
51 to 65 | 52 | 12.61 ± 0.58 | 11.44, 13.78 | ||
66+ | 30 | 14.36 ± 0.71 | 12.90, 15.82 |