## Table 3 |
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Cross validation between equations of Baumgartneret al., Tankoet al. and criterion method |
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Equations |
M ± SD |
t |
P |
R |
R^{2} |
EC (kg) |
SEE (kg) |
TE (kg) |

Baumgartner et al., (1998)
[33] |
7.29 ± 1.80* | 53.988 | <0.001 | 0.84 | 0.71 | −7.87 | 1.32 | 7.98 |

Tankó et al. (2002)
[37] |
14.64 ± 1.90* | 3.297 | 0.001 | 0.80 | 0.65 | −0.52 | 1.46 | 1.53 |

AMM_{DXA} |
15.16 ± 2.43 | - | - | - | - | - | - |

Abbreviation: M ± SD, Mean and standard deviation, *t* Paired t test, *p,* Probability observed in the comparison between groups, *R,* Regression coefficient, *R*^{2} Determination coefficient, *EC*, Error constant, *SEE,* Standard error of estimate, *TE,* Total error, *AMM*_{DXA}, Appendicular muscle mass obtained by dual energy x-ray absorptiometry.

* Significant at p <0.05.

Pereira * et al.*

Pereira * et al.* *Nutrition Journal* 2013 **12**:92 doi:10.1186/1475-2891-12-92