From: Lean body mass: the development and validation of prediction equations in healthy adults

Mean (SD), kg | Mean error (95%CI), kg | P-value for mean error | R |
ρ_{c}(95% CI) [C_{b}]
| 95% limits of agreement | RMSE (95% CI), kg | |
---|---|---|---|---|---|---|---|

Total (n = 2287) | |||||||

LBM
_{
DXA
}
| 50.62 (10.8) | ||||||

Heitmann equation
| 54.30 (10.7) | 3.68 (3.53, 3.83) | <0.001 | 0.940* | 0.888 (0.880, 0.896) [0.945] | -3.77, 11.1 | 5.24 (4.97, 5.51) |

Janmahasatian equation
| 54.23 (11.0) | 3.61 (3.46, 3.76) | <0.001 | 0.943* | 0.884 (0.884, 0.899) [0.946] | -3.78, 11.0 | 5.17 (4.90, 5.44) |

Deurenberg equation
| 50.64 (10.1) | 0.02 (-0.14, 0.19) | 0.777 | 0.931* | 0.928 (0.923, 0.934) [0.998] | -7.89, 7.93 | 3.95 (3.70, 4.20) |

LBM
_{
PE1
}
| 51.36 (10.6) | 0.74 (0.59, 0.89) | <0.001 | 0.942* | 0.939 (0.934, 0.944) [0.998] | -6.58, 8.06 | 3.73 (2.48, 4.98) |

Men (n = 1436)
| |||||||

LBM
_{
DXA
}
| 57.09 (7.50) | ||||||

Heitmann equation
| 60.56 (7.80) | 3.46 (3.25. 3.67) | <0.001 | 0.863* | 0.782 (0.764, 0.800) [0.906] | -11.5, 4.57 | 5.30 (4.93, 5.67) |

Janmahasatian equation
| 61.18 (6.80) | 4.09 (3.89, 4.29) | <0.001 | 0.852* | 0.728 (0.707, 0.747) [0.853] | -12.0, 3.82 | 5.69 (5.32, 6.06) |

Deurenberg equation
| 56.76 (6.80) | - 0.34 (-0.55, -0.12) | 0.002 | 0.838* | 0.834 (0.818, 0.848) [0.995] | -7.92, 8.60 | 4.14 (3.85, 4.43) |

LBM
_{
PE1
}
| 58.22 (6.11) | 1.12 (0.92, 1.33) | <0.001 | 0.851* | 0.822 (0.806, 0.837) [0.851] | -6.78, 9.02 | 4.11 (3.80, 4.42) |

Women (n = 851)
| |||||||

LBM
_{
DXA
}
| 39.70 (5.30) | ||||||

Heitmann equation
| 43.74 (5.55) | 4.04 (3.83, 4.26) | <0.001 | 0.833* | 0.651 (0.620, 0.680) [0.782] | -10.3, 2.26 | 5.12 (4.75, 5.49) |

Janmahasatian equation
| 42.50 (5.39) | 2.81 (2.60, 3.01) | <0.001 | 0.837* | 0.722 (0.693, 0.749) [0.872] | -8.91, 3.29 | 4.14 (3.83, 4.45) |

Deurenberg equation
| 40.32 (4.90) | 0.63 (0.39, 0.87) | <0.001 | 0.759* | 0.751 (0.721, 0.779) [0.990] | -7.75, 6.49 | 3.61 (3.29, 3.93) |

LBM
_{
PE1
}
| 39.78 (5.11) | 0.08 (-0.12, 0.28) | 0.433 | 0.835* | 0.835 (0.813, 0.854) [0.999] | -5.91, 6.07 | 2.99 (2.74, 3.24) |