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Table 3 Spearman correlation coefficients for men (n = 45)

From: Relationship of muscle function to circulating myostatin, follistatin and GDF11 in older women and men

  Myostatin (ng/ml) Follistatin (pg/ml) GDF11 (pg/ml)
Age (y) 0.007 −0.021 −0.159
Body mass (kg) −0.009 −0.058 − 0.104
Body Mass Index (kg/m2) −0.050 − 0.075 −0.164
Waist circumference (cm) 0.029 0.009 −0.131
Waist-to-hip ratio −0.028 0.143 −0.000
Body fat % −0.074 −0.119 − 0.036
Fat free mass (kg) (n = 41) −0.174 0.041 0.028
Fat free mass (%) (n = 41) −0.162 −0.023 0.078
Fat mass (kg) (n = 41) 0.052 0.020 −0.020
Fat mass (%) (n = 41) 0.162 0.023 −0.078
Muscle mass (kg) (n = 41) −0.119 0.037 0.029
ADL (pts) 0.216 0.040 0.057
IADL (pts) −0.181 −0.227 −0.233
Timed Up&Go test (s) −0.101 0.139 −0.031
Tinetti test (pts) −0.046 0.092 −0.254
MMSE (pts) −0.017 0.114 0.293
GDS (pts) 0.209 0.154 0.117
Falls (n/year) 0.091 0.171 0.131
Handgrip strength L (kG) 0.153 −0.202 0.044
Handgrip strength R (kG) 0.113 −0.110 −0.015
Leg Extension 1RM R (kG) −0.062 −0.264 − 0.045
Leg Extension 1RM L (kG) −0.187 − 0.193 −0.135
Leg Press 1RM (kG) 0.034 −0.052 −0.051
P40% LE R (W) −0.016 −0.251 0.055
P70% LE R (W) 0.008 −0.230 0.101
P40% LE L (W) −0.196 −0.232 − 0.132
P70% LE L (W) −0.189 − 0.253 −0.128
P40% LP (kG) −0.022 −0.178 0.163
P70% LP (kG) −0.008 −0.085 − 0.04
Pmax (W) −0.101 − 0.127 −0.013
Pmax·kg−1 (W·kg−1) − 0.156 −0.115 − 0.017
υopt (rpm) −0.094 0.016 −0.127
Myostatin (ng/ml) 0.008 0.183
Follistatin (pg/ml) 0.008 0.171
GDF11 (pg/ml) 0.183 0.171
  1. Note. ADL Activities of daily living, GDF11 growth/differentiation factor 11, GDS Geriatric Depression Scale, IADL Instrumental Activities of daily living, MMSE Mini-Mental State Examination
  2. *p < 0.05, **p < 0.01, ***p < 0.001