Table I.

Parameters of trabecular architecture and density in the metaphyseal bone of the proximal tibiae in rats at 1 year after irradiation.

	0 Gy			1 Gy			3 Gy			7 Gy
	LSM		SD	LSM		SD	LSM		SD	LSM		SD
BV/TV (%)	15.2	±	2.7	13.5	±	2.8	14.8	±	3.0	10.2	±	1.7
Conn.Dens. (1/mm3)	31.5	±	7.3	35.1	±	7.2	34.6	±	7.5	21.4	±	4.2 b,c
Tb.Th (μm)	80	±	3	75	±	5	78	±	6	76	±	5
Tb.N. (1/mm3)	2.85	±	0.27	2.97	±	0.16	2.92	±	0.22	2.36	±	0.13a,B,C
Tb.Sp (μm)	339	±	38	328	±	21	331	±	28	417	±	26A,B,C
vBMD	185.4	±	30.0	182.5	±	37.0	180.4	±	19.7	143.6	±	27.9

Note: All values presented as least squares mean ± SD using a one-way ANOVA with Tukey post hoc tests. Lowercase letters indicate significance at P < 0.05 vs.

^acontrol;

^b1 Gy; and

^c3 Gy.

Uppercase letters indicate significance at P < 0.01 vs.

^Acontrol;

^B1 Gy; and

^C3 Gy.