27 June 2021>: Clinical Research
Analysis of Bone Strength and Bone Turnover Markers in Ankylosing Spondylitis with Radiological Hip Involvement
Wei Liu 1ABCDEFG , Hui Song 1ACDEFG* , Siliang Man 1BCD , Hongchao Li 1BDE , Liang Zhang 2BDDOI: 10.12659/MSM.932992
Med Sci Monit 2021; 27:e932992
Table 2 Bone strength of AS with and without radiographic hip involvement.
RHI-AS (n=177) | WORHI-AS (n=162) | Unadjusted | Adjusted for age and BMI | |||
---|---|---|---|---|---|---|
P | OR (95% CI) | P | OR (95% CI) | |||
SI, median (Q1, Q3) | 77.9 (66, 85.7) | 80.3 (71.6, 89.4) | 0.015 | 0.984 (0.971, 0.997) | 0.017 | 0.982 (0.968, 0.997) |
Z score | ||||||
Median (Q1, Q3) | −1.5 (−2.5, −0.6) | −0.8 (−1.7,0.3) | 0.692 (0.592, 0.809) | 0.01 | 0.802 (0.679, 0.949) | |
≤−2, n (%) | 66 (37.3) | 26 (16.0) | 3.110 (1.852, 5.223) | 0.026 | 1.891 (1.079, 3.313) | |
T score | ||||||
Median (Q1, Q3) | −2.2 (−3.2, −1.5) | −1.8 (−2.6, −1) | 0.002 | 0.780 (0.667, 0.913) | 0.005 | 0.781 (0.658, 0.927) |
≤−2.5, n (%) | 76 (42.9) | 56 (34.6) | 0.115 | 1.424 (0.918, 2.211) | 0.115 | 1.478 (0.909, 2.404) |
SI – Stiffness index; RHI-AS – ankylosing spondylitis with radiographic hip involvement; WORHI-AS – ankylosing spondylitis without radiographic hip involvement. |