Table 1 Comparison of fractional anisotropy (FA), apparent diffusion coefficient (ADC), radial diffusivity (RD), λ1, λ2 and λ3 between brown adipose tissue (BAT), inguinal white adipose tissue (iWAT) and epididymal white adipose tissue (epiWAT) in control (C) and cold exposure (CE) groups.

FA

0.570 ± 0.061

0.621 ± 0.028

0.114

0.510 ± 0.023

0.486 ± 0.041

0.256

0.522 ± 0.021

0.487 ± 0.036

0.075

ADC (× 10^− 5 mm²/s)

0.545 ± 0.025

0.496 ± 0.035

0.022

0.669 ± 0.087

0.675 ± 0.125

0.919

0.668 ± 0.101

0.720 ± 0.117

0.447

RD (× 10^− 5 mm²/s)

0.377 ± 0.018

0.340 ± 0.044

0.098

0.501 ± 0.062

0.517 ± 0.091

0.738

0.507 ± 0.080

0.555 ± 0.089

0.367

λ1 (× 10^− 5 mm²/s)

0.882 ± 0.058

0.808 ± 0.059

0.067

1.004 ± 0.138

0.992 ± 0.196

0.908

0.989 ± 0.149

1.050 ± 0.175

0.553

λ2 (× 10^− 5 mm²/s)

0.583 ± 0.047

0.507 ± 0.099

0.126

0.756 ± 0.104

0.729 ± 0.200

0.779

0.765 ± 0.118

0.799 ± 0.167

0.699

λ3 (× 10^− 5 mm²/s)

0.171 ± 0.034

0.174 ± 0.071

0.928

0.247 ± 0.040

0.305 ± 0.036

0.032

0.250 ± 0.043

0.312 ± 0.019

0.014