Table 4.

Significance of all parameters used as variables in first round of multiple regression analysis, with magnitude of contribution to variation in adipocytic/haemopoietic ratio (R²)

Parameter	p Value	R2 Value
Age	<0.002*	6.8
Trabecular bone volume	<0.001*	15.1
Wall thickness	<0.001*	18.4
Osteoid surface	<0.148	1.6
Osteoid volume	<0.002*	7
Osteoid thickness	<0.002*	7.5
Osteoblast surface	<0.042*	3.2
Mineralising surface 1	<0.119	1.9
Mineralising surface 2	<0.25	1
Mineralising surface	<0.051	2.9
Eroded surface	<0.438	0.5
Osteoclast surface	<0.731	0.1
Osteoclast number	<0.596	0.2
Trabecular thickness	<0.001*	15.6
Trabecular number	<0.086	2.2
Trabecular separation	<0.015*	4.5
Cortical thickness	<0.002*	7
Cortical volume	<0.114	1.9
Cortical wall thickness	<0.001*	14.4
Osteoclast number	<0.836	0
Subcortical osteoclasts	<0.904	0
Trabecular apposition rate	<0.004*	6.3
Cortical apposition rate	<0.518	0.3
Bone formation rate	<0.002*	6.9

*These parameters contributed significantly.