Twenty-four hour metabolic rate measurements utilized as a reference to evaluate several prediction equations for calculating energy requirements in healthy infants

Table 3 Statistical analysis for prediction equations that are in agreement with direct 24-hour metabolic measurements

Prediction	Value	Difference¹	P	Agreement²
equation	(Mean ± SD)	(%)	(Paired T-test)	(Bland & Altman ± 2SD)
EMTACEE-WT	81.3 ± 1.8	4.5 ± 12.0	0.42	2.6 ± 19.6
EMTACRMR-WT	65.0 ± 3.9	4.0 ± 7.9	0.16	2.4 ± 9.8
EMTACSMR-WT	63.3 ± 1.1	-2.2 ± 7.4	0.23	-1.7 ± 9.6
EMTACSMR-LWT	66.7 ± 2.4	3.0 ± 8.2	0.29	1.8 ± 10.0

¹ = ((calculated value from the corresponding prediction equation-reference metabolic parameter/reference metabolic parameter)*100)
² = Proximity to zero calculated as the difference between the reference metabolic parameter and the calculated value from the corresponding prediction equation (± 2 standard deviations) [13]

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