Variables | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
 | P value | HR | 95% CI | P value | HR | 95% CI |
Sex | 0.493 | 1.56 | 0.438–5.557 |  |  |  |
Age | 0.020 | 1.07 | 1.011–1.129 |  |  |  |
BMI | 0.659 | 0.98 | 0.889–1.077 |  |  |  |
Osteoporosis therapy | 0.665 | 0.72 | 0.161–3.208 |  |  |  |
Period from onset to diagnosis | 0.021 | 1.28 | 1.038–1.578 |  |  |  |
Weight-bearing limitation | 0.107 | 0.35 | 0.099–1.251 | 0.727 | 0.77 | 0.179–3.324 |
MRI findings | ||||||
 Band length | < 0.001 | 1.30 | 1.152–1.455 | 0.001 | 1.29 | 1.116–1.495 |
 Band over the edge of AC | 0.014 | 3.87 | 1.317–11.375 | 0.042 | 3.66 | 1.049–12.803 |
 Intensity change of AC | 0.001 | 28.85 | 3.677–226.286 | 0.007 | 29.15 | 2.517–337.594 |
Bone metabolic marker | ||||||
 P1NP, μg/ml | 0.018 | 1.013 | 1.002–1.024 | 0.148 | 1.01 | 0.997–1.023 |
 TRACP 5b, mU/dL | 0.007 | 1.005 | 1.001–1.008 | 0.114 | 1.00 | 0.999–1.008 |