Estimating the agreement between the metabolic rate calculated from prediction equations and from a portable indirect calorimetry device: an effort to develop a new equation for predicting resting metabolic rate

Table 2 Descriptive statistics and further relationships between RMRm (with IC) and RMRe

	Equation	Min	Max	Mean	St.dev	Mean bias	95% CI of bias	RMRm%	N
	RMRm	717	3189	1591	457.8
Weight (wt), Height (ht), Age and Gender	H-B	1227	3227	1687	340.0	+ 96	62.2–129.3	6.0%	149
	H-B(Rev)	1213	3183	1678	338	+ 83	54.0–121.6	5.2%	143
	Mifflin	1242	2769	1718	260	+ 127	91.8–162.8	8.0%	129
Wt, Ht, Age Groups and Gender	F-W-U (1)	1124	3387	1849	571	+ 258	211.0–305.3	16.2%	125
Wt, Gender and Age Groups	F-W-U (2)	1124	3362	1695	336	+ 105	70.9–138.2	6.6%	145
Wt, Gender and Age Groups	Schofield	1119	3364	1688	344	+ 97	62.0–132.3	6.1%	139
Wt, Age and Gender	Owen	1102	2684	1509	291	−82	−115.8- - 47.6	5.1%	131
Wt, Age and Gender	H-B (Abbr)	973	4248	1979	560	+ 388	343.5–432.8	24.4%	93
BMI, Age and Gender	Harrington	1166	2775	1627	283	+ 37	2.0–71.2	2.3%	153

Mean bias RMRe-RMRm (individual estimates), RMRm% (absolute bias)*100/meanRMRm, N number of times RMRm% is ≤ 10%