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Table 2 Spearman correlation coefficients for women (n = 56)
| Myostatin (ng/ml) | Follistatin (pg/ml) | GDF11 (pg/ml) | |
|---|---|---|---|
| Age (y) | − 0.039 | 0.185 | − 0.089 |
| Body mass (kg) | 0.002 | − 0.070 | − 0.301* |
| Body Mass Index (kg/m2) | 0.022 | − 0.013 | − 0.354** |
| Waist circumference (cm) | − 0.043 | 0.083 | − 0.372** |
| Waist-to-hip ratio | −0.103 | 0.260 | −0.202 |
| Body fat % | −0.084 | 0.035 | −0.458*** |
| Fat free mass (kg) (n = 52) | −0.075 | −0.173 | − 0.128 |
| Fat free mass (%) (n = 52) | 0.073 | −0.083 | 0.359** |
| Fat mass (kg) (n = 52) | −0.071 | 0.006 | −0.331** |
| Fat mass (%) (n = 52) | −0.073 | 0.083 | −0.359** |
| Muscle mass (kg) (n = 52) | −0.025 | −0.123 | − 0.199 |
| ADL (pts) | −0.024 | 0.161 | 0.016 |
| IADL (pts) | −0.132 | 0.114 | 0.081 |
| Timed Up&Go test (s) | −0.071 | 0.366** | −0.163 |
| Tinetti test (pts) | 0.163 | −0.199 | −0.127 |
| MMSE (pts) | 0.038 | −0.138 | 0.038 |
| GDS (pts) | 0.040 | 0.034 | 0.049 |
| Falls (n/year) | −0.239 | 0.066 | −0.133 |
| Handgrip strength L (kG) | −0.296* | −0.063 | − 0.080 |
| Handgrip strength R (kG) | −0.203 | 0.036 | 0.030 |
| Leg Extension 1RM R (kG) | −0.049 | −0.075 | − 0.143 |
| Leg Extension 1RM L (kG) | −0.051 | − 0.204 | −0.170 |
| Leg Press 1RM (kG) | 0.031 | −0.216 | −0.135 |
| P40% LE R (W) | −0.056 | −0.179 | − 0.124 |
| P70% LE R (W) | −0.169 | − 0.135 | −0.206 |
| P40% LE L (W) | −0.058 | −0.151 | − 0.242 |
| P70% LE L (W) | −0.046 | − 0.147 | −0.151 |
| P40% LP (kG) | −0.091 | −0.216 | − 0.177 |
| P70% LP (kG) | −0.117 | − 0.279* | −0.250 |
| Pmax (W) | −0.141 | −0.387** | − 0.186 |
| Pmax·kg−1 (W·kg−1) | −0.156 | − 0.405** | −0.049 |
| υopt (rpm) | −0.329* | −0.183 | − 0.220 |
| Myostatin (ng/ml) | – | −0.061 | 0.080 |
| Follistatin (pg/ml) | −0.061 | – | 0.032 |
| GDF11 (pg/ml) | 0.080 | 0.032 | – |
