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Table 2 Correlation analysis between myostatin and IGF-1 and other parameters. The data are expressed as Pearson’s correlation coefficient (p value)

From: Serum reference value of two potential doping candidates—myostatin and insulin-like growth factor-I in the healthy young male

 

Myostatin (ng/ml)

IGF-1 (ng/ml)

N

57

57

Groupa

−0.045 (0.740)

0.269 (0.043)*

Age (year)

−0.335 (0.011)*

−0.470 (<0.001)**

Height (cm)

0.146 (0.280)

0.287 (0.031)*

Weight (kg)

−0.133 (0.324)

0.226 (0.091)

BMI (kg/m2)

−0.248 (0.063)

0.125 (0.354)

Fat mass (%)

−0.304 (0.022)*

0.036 (0.789)

Fat-free mass (kg)

0.040 (0.768)

0.303 (0.022)*

Muscle mass (kg)

0.024 (0.857)

0.246 (0.065)

Waist girth (cm)

−0.248 (0.063)

0.040 (0.767)

Grip strength (kg)

0.029 (0.832)

0.246 (0.065)

Estimated daily energy expenditure (kcal/day)

−0.067 (0.620)

0.380 (0.004)**

Myostatin (ng/ml)

-

0.174 (0.195)

IGF-1 (ng/ml)

0.174 (0.195)

-

  1. *: p <0.05
  2. **: p <0.01
  3. a: Control group is 0; athlete group is 1