Bland-Altman plot of the difference between BF%_BIA8 and BF%_DXA in mean difference expressed as bias, 95% confidence interval expressed as bias ± 2 SD.

<p>(a) Total subjects (<i>n</i> = 711); bias ± SD: -3.72 ± 4.09%, bias– 2SD: -11.90%, bias + 2 SD: 4.46%, regression equation y = - 0.170 x + 0.430 (<i>r</i> = 0.42, <i>P</i> < 0.01); (b) Male (<i>n</i> = 412); bias ± SD: -3.66 ± 4.24%, bias– 2SD: -12.14%, bias + 2 SD: 4.83%, regression equation y = - 0.340 x + 2.830(<i>r</i> = 0.61, <i>P</i> < 0.01); (c) Female (<i>n</i> = 299); bias ± SD: -3.81 ± 3.87%, bias– 2SD: -11.56%, bias + 2 SD: 3.94%, regression equation y = - 0.187 x +2.134 (<i>r</i> = 0.41, <i>P</i> < 0.01).