|
Parameters
|
Total AS patients (n = 65)
|
Group A (n = 39)
|
Group B (n = 26)
|
P value
|
|---|
|
CFI
|
3.52 ± 0.79 (1.70–5.77)
|
3.53 ± 0.70 (2.12–4.96)
|
3.50 ± 0.92 (1.70–5.77)
|
0.698
|
|
MCFI
|
2.19 ± 0.29 (1.33–3.04)
|
2.20 ± 0.31 (1.33–3.04)
|
2.19 ± 0.26 (1.76–2.66)
|
0.779
|
|
CCR
|
0.48 ± 0.11 (0.30–0.86)
|
0.48 ± 0.10 (0.32–0.74)
|
0.48 ± 0.12 (0.30–0.86)
|
0.883
|
|
CBR
|
0.46 ± 0.08 (0.31–0.65)
|
0.45 ± 0.07 (0.31–0.58)
|
0.48 ± 0.09 (0.32–0.65)
|
0.194
|
- Group A represents the hips with absent, minimal or mild radiographic involvement (BASRI-Hip score = 0 or 1 or 2) and Group B represents the hips with moderate to severe radiographic involvement (BASRI-Hip score = 3 or 4)
- Abbreviations: AS Ankylosing spondylitis, CFI Canal flare index, MCFI Metaphyseal canal flare index, CCR Canal to calcar ratio, CBR Canal bone ratio
