. Author manuscript; available in PMC: 2011 Jun 13.

Published in final edited form as: Osteoporos Int. 2007 Mar 31;18(9):1243–1252. doi: 10.1007/s00198-007-0372-6

Table 2.

pQCT parameters at the 30% radial site

pQCT parameter		Paretic side	Non-paretic side	P^*	Percent difference
Total area (Area_total, mm²)	Male	116.6±18.3	116.9±18.7	0.877	−0.2±8.3
	Female	76.1±12.9	76.1±12.9	0.963	−0.1±5.8
	All	100.2±25.8	100.4±26.1	0.871	−0.2±7.3
Cortical area (Area_cort, mm²)	Male	94.2±15.7	100.4±13.3	<0.001	6.3±7.7
	Female	59.0±11.4	63.1±11.0	0.025	6.0±11.5
	All	1182.4±42.4	85.3±22.2	<0.001	6.2±9.3
Cortical bone mineral content (BMC_cort, mg/mm)	Male	111.3±20.0	121.0±17.2	<0.001	8.2±8.1
	Female	70.2±15.1	76.0±15.6	0.020	6.7±13.0
	All	84.7±27.2	102.8±27.7	<0.001	7.6±10.2
Cortical bone mineral density (BMD_cort, mg/cm³)	Male	1179.8±40.4	1204.2±33.2	0.003	2.0±3.3
	Female	1186.2±46.0	1198.5±59.9	0.192	0.9±3.4
	All	1182.4±42.4	1201.9±45.4	0.001	1.6±3.3
Cortical thickness (mm)	Male	3.6±0.8	4.0±0.7	<0.001	10.1±12.2
	Female	2.9±1.0	3.2±0.9	0.018	9.2±16.5
	All	3.3±0.9	3.7±0.9	<0.001	9.8±14.0
Polar Stress-strain Index (p-SSI, mm³)	Male	313.1±62.5	331.1±64.6	0.005	5.1±8.9
	Female	165.9±29.5	175.8±35.8	0.073	4.5±11.7
	All	253.6±89.2	268.3±94.2	0.001	4.8±10.0

Paired t-test to compare between the paretic and non-paretic sides.