From: Osteoporosis in ankylosing spondylitis - prevalence, risk factors and methods of assessment
Variables | AP lumbar aBMD | Lateral lumbar aBMD | Lumbar vBMD | Hip total aBMD | Femoral neck aBMD | Radius total aBMD |
---|---|---|---|---|---|---|
Demographic | ||||||
Sex | 0.337 P < 0.001 | 0.294 P < 0.001 | n.s. | 0.380 P < 0.001 | 0.228 P = 0.001 | 0.677 P < 0.001 |
Age | n.s. | -0.282 P < 0.001 | -0.413 P < 0.001 | -0.222 P = 0.001 | -0.322 P < 0.001 | -0.328 P < 0.001 |
Menopause | -0.394 P < 0.001 | -0.385 P < 0.001 | -0.190 P = 0.007 | -0.378 P < 0.001 | -0.322 P < 0.001 | -0.570 P < 0.001 |
Heredity for fractures | n.s. | n.s. | n.s. | -0.249 P < 0.001 | -0.276 P < 0.001 | -0.148 P = 0.035 |
BMI | 0.273 P < 0.001 | n.s. | n.s. | 0.342 P < 0.001 | 0.255 P < 0.001 | 0.177 P = 0.012 |
PAHWI total | n.s. | 0.179 P = 0.011 | 0.253 P < 0.001 | n.s. | n.s. | 0.178 P = 0.012 |
Disease-related variables | ||||||
Years since symptom debut | -0.180 P = 0.011 | -0.335 P < 0.001 | -0.429 P < 0.001 | -0.315 P < 0.001 | -0.376 P < 0.001 | -0.270 P < 0.001 |
Years since diagnosis | -0.146 P = 0.039 | -0.286 P < 0.001 | -0.396 P < 0.001 | -0.221 P = 0.002 | -0.319 P < 0.001 | n.s. |
BASMI | n.s. | -0.260 P < 0.001 | -0.405 P < 0.001 | -0.257 P < 0.001 | -0.379 P < 0.001 | -0.195 P = 0.006 |
mSASSS | n.s. | n.s. | -0.386 P < 0.001 | n.s. | -0.187 P = 0.008 | n.s. |
Coxitis, yes/no | -0.158 P = 0.025 | -0.143 P = 0.042 | n.s. | -0.189 P = 0.007 | -0.161 P = 0.022 | n.s. |
Mean ESR 2004 to 2008 | -0.172 P = 0.015 | n.s. | n.s. | -0.168 P = 0.017 | -0.155 P = 0.028 | -0.222 P = 0.002 |
Lifetime prednisone use | n.s. | -0.241 P = 0.001 | -0.236 P = 0.001 | -0.222 P = 0.001 | -0.269 P < 0.001 | -0.316 P < 0.001 |
ESR | -0.162 P = 0.021 | -0.221 P = 0.002 | n.s. | -0.170 P = 0.016 | n.s. | -0.285 P < 0.001 |
CRP | n.s. | n.s. | -0.163 P = 0.021 | n.s. | n.s. | n.s. |
Hemoglobin | 0.261 P < 0.001 | 0.225 P = 0.001 | n.s. | 0.285 P < 0.001 | 0.179 P < 0.011 | 0.466 P < 0.001 |
WBC | -0.159 P = 0.024 | -0.171 P = 0.015 | n.s. | -0.146 P = 0.038 | n.s. | n.s. |
PLT | -0.197 P = 0.005 | -0.155 P = 0.028 | n.s. | n.s. | n.s. | n.s. |