Table 3 Partial correlation analysis between Sharp score and its component scores and DXR measurements, where significant results are shown in bold.

	Sharp score		Erosion score— both hands		Joint space score— both hands
	Female	Male	Female	Male	Female	Male
BMD
r	−0.481	−0.394	−0.441	−0.390	−0.461	−0.353
p Value	<0.005	0.003	<0.005	0.003	<0.005	0.008
MCI
r	−0.479	−0.278	−0.417	−0.304	−0.481	−0.224
p Value	<0.005	0.040	<0.005	0.024	<0.005	0.100
CT
r	−0.478	−0.369	−0.433	−0.372	−0.462	−0.326
p Value	<0.005	0.006	<0.005	0.005	<0.005	0.015
POR
r	+0.133	−0.155	+0.135	−0.124	+0.116	−0.166
p Value	0.102	0.259	0.099	0.367	0.158	0.225
BW
r	+0.037	−0.180	−0.024	−0.115	+0.091	−0.220
p Value	0.654	0.189	0.771	0.405	0.265	0.107

Age at x ray examination and weight were used as controlling variables.