Evaluation of Growth Patterns and Body Composition in C57Bl/6J Mice Using Dual Energy X-Ray Absorptiometry

Table 3

Mixed model regression equations expressing body composition parameters in female C57BL/6J mice from 5 to 30 weeks of age.

Parameter	Equation	95% CI			𝑃 value
		Intercept	Age	Weight	Age	Weight
BMD, g/cm^2
(5–17 weeks)	0.02258+(0.00081×age)+(0.00079×weight)	0.01444; 0.03072	0.00052; 0.00100	0.00027; 0.00131	0.0001	0.004
(17–30 weeks)	0.04220−(0.00064×age)+(0.00101×weight)	0.03192; 0.05247	0.00109; 0.00019	0.00032; 0.00170	0.006	0.004
LM, g (5–30 weeks)	12.128+(0.358×age)	11.706; 12.550	0.32932; 0.38591		0.0001
FM, g (5–30 weeks)	1.647+(0.053×age)	1.431; 1.862	0.03594; 0.07156		0.0001