Table 4.

Association between systemic levels of GDF15 and measures of body composition and relative muscle power in women adjusted for age and inflammatory markers

	Adjusted for age			Adjusted for age and inflammatory markers
	r	β a  ± 95% CI	P	r	β a  ± 95% CI	P
BMI	0.02	−0.07 ± 0.24	0.566	0.06	−0.18 ± 0.23	0.133
Fat index	0.04	−0.08 ± 0.19	0.408	0.07	−0.16 ± 0.18	0.076
Visceral FI	0.01	0.00 ± 0.01	0.793	0.04	−0.01 ± 0.01	0.303
Leg SMI	0.02	−0.01 ± 0.04	0.699	0.03	−0.01 ± 0.04	0.532
LEP
Relative	0.03	−0.02 ± 0.04	0.295	0.01	−0.01 ± 0.04	0.690
Allometric	0.05	−0.73 ± 1.01	0.155	0.04	−0.61 ± 1.02	0.244
Specific	0.06	−0.30 ± 0.36	0.095	0.05	−0.24 ± 0.36	0.196
STS power
Relative	0.09	−0.10 ± 0.07	0.004	0.06	−0.07 ± 0.07	0.045
Allometric	0.11	−2.92 ± 1.71	<0.001	0.10	−2.58 ± 1.73	0.004
Specific	0.12	−0.55 ± 0.30	<0.001	0.10	−0.46 ± 0.31	0.003

BMI, body mass index; FI, fat index; LEP, leg extension power; SMI, skeletal muscle index; STS, sit‐to‐stand.

Adjusted bivariate association (r values).

^a Change per each 100 pg·mL⁻¹ increase in GDF15.