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

Table 1

Demographics of specimens.

Specimen	Number	$t\text{-}$score		Donor Age		Male : Female ratio
		Mean	Range	Mean	Range
Cancellous bone measurement
Normal	11	0.008	1.99 to −0.91	80.4	46 to 90	6 : 5
Osteopenic	12	−1.66	−1.05 to −2.44	77.6	50 to 90	7 : 5
Osteoporotic	11	−4.175	−2.79 to −7.09	81.1	65 to 97	3 : 8
Cortical thickness analysis
Normal	6	−0.237	0.7 to −0.86	82.4	62 to 90	4 : 2
Osteopenic	6	−1.49	−1.05 to −2.16	79.6	63 to 86	3 : 3
Osteoporotic	6	−3.75	−2.9 to −4.74	81.5	70 to 86	2 : 4