Table 3.

Associations between muscular fitness variables and brown adipose tissue variables.

	BAT volume (ml)			BAT SUVmean			BAT SUVpeak
	β	R2	P	β	R2	P	β	R2	P
MODEL 1
Handgrip strength (kg)	2.344	0.096	0.001	−0.009	0.001	0.708	0.046	0.002	0.642
Leg press (kg)	0.156	0.034	0.044	−0.004	0.026	0.078	−0.009	0.005	0.440
Bench press (kg)	0.781	0.039	0.031	−0.016	0.016	0.172	−0.027	0.002	0.595
Handgrip strength/LBM (kg)	83.962	0.022	0.104	3.595	0.039	0.031	15.314	0.037	0.035
Leg press/LBM (kg)	30.999	0.012	0.240	−0.993	0.011	0.246	−1.797	0.002	0.631
Bench press/LBM (kg)	3.689	0.003	0.577	−0.264	0.013	0.218	−0.357	0.001	0.704
MODEL 2
Handgrip strength (kg)	2.107	0.247	0.001	−0.016	0.142	0.452	0.013	0.149	0.889
Leg press (kg)	0.147	0.200	0.038	−0.005	0.168	0.044	−0.010	0.156	0.340
Bench press (kg)	0.653	0.197	0.049	−0.020	0.163	0.067	−0.045	0.156	0.344
Handgrip strength/LBM (kg)	70.724	0.185	0.135	3.211	0.169	0.040	13.568	0.178	0.045
Leg press/LBM (kg)	3.257	0.172	0.591	−0.277	0.153	0.166	−0.414	0.151	0.633
Bench press/LBM (kg)	21.807	0.175	0.368	−1.275	0.157	0.110	−3.057	0.155	0.379
MODEL 3
Handgrip strength (kg)	2.532	0.249	0.011	0.019	0.156	0.567	0.147	0.159	0.317
Leg press (kg)	0.055	0.206	0.643	−0.006	0.169	0.149	−0.013	0.156	0.453
Bench press (kg)	0.099	0.205	0.870	−0.023	0.163	0.248	−0.068	0.156	0.443
Handgrip strength/LBM (kg)	67.768	0.220	0.145	3.277	0.186	0.035	13.701	0.182	0.043
Leg press/LBM (kg)	−3.875	0.207	0.565	−0.184	0.158	0.415	−0.205	0.152	0.836
Bench press/LBM (kg)	−28.079	0.210	0.389	−0.928	0.159	0.396	−2.936	0.155	0.538

Model 1: Unadjusted. Model 2: adjusted by date when positron emission tomography/computed tomography (PET/CT) was performed. Model 3: adjusted by date of PET/CT and sex. β = non-standardised coefficients; BM = body mass; R² = explained variance; SUV = Standardised uptake value; LBM: lean body mass; VO₂max = maximum volume of oxygen consumed. n = 119 subjects.