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Table 3 Correlations between trabecular CTXA equivalent T-scores and clinical and radiographic parameters of AS patients on different stages of hip involvement

From: The correlation between volumetric bone mineral density and morphological parameters of the proximal femur and clinical outcomes in ankylosing spondylitis patients with hip involvement

  Male gender Age at outpatient visit Disease duration BASRI-hip HHS CBR
Trabecular CTXA equivalent T-scores (femoral neck) − 0.286 (0.021) − 0.27 (0.029) −0.311 (0.012) − 0.261 (0.035) 0.244 (0.050) − 0.319 (0.010)
Trabecular CTXA equivalent T-scores (greater trochanter) −0.197 (0.116) − 0.096 (0.446) −0.187 (0.135) − 0.314 (0.011) 0.265 (0.033) − 0.418 (0.001)
Trabecular CTXA equivalent T-scores (intertrochanteric region) −0.283 (0.022) − 0.061 (0.632) −0.191 (0.128) − 0.326 (0.008) 0.261 (0.036) − 0.446 (< 0.001)
  1. Results are presented as coefficient of correlation and P value in brackets
  2. Abbreviations: vBMD Volumetric bone mass density, BASRI-Hip The bath ankylosing spondylitis radiology hip index, HHS Harris hip score, CBR Canal bone ratio