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Comparisons of upper, lower, and full body bioelectrical impedance to air displacement plethysmography for combined male and female data. Pearson correlation of bioelectrical impedance and air displacement plethysmography (a); Pearson correlation P-value <0.0001. R2 values for upper body BI, lower body BI, full body BI are 0.78, 0.84, 0.86 respectively. Bland-Altman graphs for upper body BI (b), lower body BI (c), and full body BI (d).
