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Clinical Accuracy of Common Estimation Equations in Comparison to Indirect Calorimetry
| < 10% mREE* | > 10% mREE* | Accurate** | |
|---|---|---|---|
| Mifflin-St Jeor | 33.3% | 28.9% | 37.8% |
| Harris Benedict | 15.6% | 57.7% | 26.7% |
| WHO | 4.4% | 68.9% | 26.7% |
| Owen | 4.4% | 71.1% | 24.5% |
| 25 kcal/kg Formula | 17.8% | 57.7% | 24.5% |
Underestimation of measured REE defined as < 10% of mREE kcal/d, Overestimation defined as > 10% of mREE kcal/d by indirect calorimetry.
Percent of subjects within ± 10% of mREE kcal/d by indirect calorimetry.
