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The correlation between femoral neck bone mineral density and other variables
| Variables | Z-femoral Neck Score |
|---|---|
| Age (year) | r=−0.13, p=0.20 |
| Gender | r=0.11, p=0.27 |
| Disease duration (months) | r=−0.14, p=0.17 |
| Steroid dose (mg) | r=−0.30, p=0.003 |
| DAS28-ESR | r=−0.26, p=0.01 |
| Rheumatoid factor titer | r=−0.24, p=0.01 |
| ACPA titer | r=−0.25, p=0.005 |
r: correlation coefficient; DAS28-ESR: disease activity score 28-erythrocyte sedimentation rate; ACPA: anti-citrullinated protein antibody
