Table 2

 Agreement between TBW values measured using deuterium dilution and predicted from anthropometry using published equations

Absolute values (litres)Relative values (%)Correlations (r)†
Bias±2SDp valueBias±2SDp valueTBWAgeBMI SD score
*p<0.05.
†Correlations between bias and other factors (magnitude of TBW, age, and BMI SD score).
SD, standard deviation.
Friis-Hansen (1957)1.03.5<0.000111.525.1<0.0001−0.34*−0.320.16*
Mellits and Cheek (1970)0.32.8<0.00014.018.5<0.0001−0.10*−0.060.06
Morgenstern et al (2002)0.94.3<0.00017.018.0<0.00010.070.10*0.13*