calc_ibw | R Documentation |

Get an estimate of ideal body weight. This function allows several commonly used equations

calc_ibw( weight = NULL, height = NULL, age = NULL, sex = "male", method_children = "standard", method_adults = "devine" )

`weight` |
weight in kg |

`height` |
height in cm |

`age` |
age in years |

`sex` |
sex |

`method_children` |
method to use for children >1 and <18 years. Currently '"standard"' is the only method that is supported. |

`method_adults` |
method to use for >=18 years. Currently '"devine"' is the only method that is supported (Devine BJ. Drug Intell Clin Pharm. 1974;8:650-655). |

Equations:

<1yo Use actual body weight

1-17 years old ('standard'): if height < 5ft: IBW= (height in cm2 x 1.65)/1000 if height > 5ft: IBW (male) = 39 + (2.27 x height in inches over 5 feet) IBW (female) = 42.2 + (2.27 x height in inches over 5 feet)

Methods not implemented yet: McLaren: IBW = - step1: x = 50th percentile height for given age - step2: IBW = 50th percentile weight for x on weight-for-height scale Moore: IBW = weight at percentile x for given age, where x is percentile of height for given age BMI: IBW = 50th percentile of BMI for given age x (height in m)^2 ADA: IBW = 50th percentile of WT for given age

>= 18 years old (Devine equation) IBW (male) = 50 + (2.3 x height in inches over 5 feet) IBW (female) = 45.5 + (2.3 x height in inches over 5 feet)

calc_ibw(weight = 70, height = 170, age = 40, sex = "female") calc_ibw(weight = 30, height = 140, age = 10, sex = "female")

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