Bone Density and Cortical Thickness in Normal, Osteopenic, and Osteoporotic Sacra

Table 3

Cortical thickness by region and condition.

Location*	Cortical thickness	95% Confidence interval
	(mm)	Lower	Upper
AB
N	2.01	1.76	2.25
P	2.00	1.69	2.30
O	2.32	2.04	2.60
AL
N	1.32	1.22	1.41
P	1.41	1.30	1.52
O	1.24	1.16	1.32
L
N	1.40	1.30	1.50
P	1.31	1.24	1.37
O	1.25	1.14	1.36
PB
N	1.04	0.97	1.12
P	1.08	0.98	1.18
O	1.03	0.95	1.11
PL
N	1.13	1.03	1.23
P	0.98	0.91	1.06
O	0.85	0.79	0.90
PM
N	1.23	1.14	1.32
P	1.15	1.08	1.23
O	0.86	0.79	0.92
AM
N	1.58	1.46	1.70
P	1.46	1.31	1.60
O	1.24	1.18	1.30

BMD: body mass index; N: normal; O: osteoporotic; P: osteopenic.
*For definition of locations, please see Figure 1.