Comparison of periarticular BMD in patients with RA or PsA
| RA (n=17) BMD (g/cm2): mean (SD) | PsA (n=15) BMD (g/cm2): mean (SD) | Difference p value* (unadjusted) | Difference p value† (adjusted for age and sex) | |
|---|---|---|---|---|
| *Student’s t test for independent samples; †adjusted for age and sex using multiple linear regression. | ||||
| ROI 1 | 0.173 (0.05) | 0.222 (0.05) | 0.01 | 0.02 |
| ROI 2 | 0.317 (0.07) | 0.379 (0.07) | 0.02 | 0.11 |
| ROI 3 | 0.272 (0.07) | 0.341 (0.06) | 0.01 | 0.06 |
| ROI 4 | 0.399 (0.10) | 0.463 (0.08) | 0.04 | 0.42 |
| ROI 5 | 0.284 (0.07) | 0.352 (0.06) | 0.01 | 0.04 |
| ROI 6 | 0.263 (0.08) | 0.343 (0.09) | 0.01 | 0.07 |
| ROI 7 | 0.227 (0.04) | 0.266 (0.04) | 0.01 | 0.09 |
| ROI 8 | 0.292 (0.06) | 0.339 (0.05) | 0.03 | 0.26 |
| ROI 9 | 0.255 (0.06) | 0.315 (0.06) | 0.01 | 0.05 |
| ROI 10 | 0.417 (0.09) | 0.474 (0.06) | 0.04 | 0.27 |
| Ratio of BMD in ROI 10 to ROI 7 | 1.626 (0.26) | 1.515 (0.19) | 0.18 | 0.13 |