Table 2. Measure of variability for values of content and intake of nutrients.

(A) values of intake with zero adjustment; (B) values of intake without zero adjustment.

Nutrient	Coefficient of variation		F-test for equality of variances
	Content	Intake	F (5,5)	P
A
Carbon	11.43	27.27	13.99	0.012
Nitrogen	104.88	87.67	13,708	<0.001
Non-protein	19.48	33.93	7.84	0.041
Protein	33.53	33.13	3,094	<0.001
B
Carbon	11.43	29.12	12.919	0.014
Nitrogen	104.88	89.79	13,578	<0.001
Non-protein	19.48	35.80	7.38	0.047
Protein	33.53	33.92	3,135	<0.001