Ideal body weight (Robinson formula)
Calculates the ideal body weight for medication dosing according to the Robinson formula.
Research authors: Robinson JD, Lupkiewicz SM, Palenik L, Lopez LM, Ariet M.
Version: 1.2
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Calculated ideal body weight (Robinson formula): kg

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Conditional information

Multiple ideal body weight formulas have been developed to assist physicians with dosing weight-based medications. Please confirm with your local pharmacy whether ideal or actual body weight should be used for medication dosing. 

Definition of ideal body weight:
The term ideal body weight (IBW) was coined based on historical data of weights for adult men and women that compared the relative mortality of persons of different height–weight combinations (Knapp, 1983).

Model performance:
Pai & Paloucek (2000) reported that alternative IBW equations by Devine (1974) and Miller et al (1983) both resulted in similar results when compared with the Robinson formula (Robinson et al, 1983), indicating that any one of these equations may be used to estimate IBW.

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This model is provided for educational, training and information purposes. It must not be used to support medical decision making, or to provide medical or diagnostic services. Read our full disclaimer.

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