Distal radius | RA group (n = 81) | Control group (n = 81) | Difference | P |
Geometry | Â | |||
 Tt.Ar, mm2 | 280.8 ± 66.9 | 253.1 ± 51.5 | 10.9% | 0.004 |
 Ct.Ar, mm2 | 57.5 ± 13.8 | 56.2 ± 11.1 | 2.3% | 0.506 |
 Tb.Ar, mm2 | 227.2 ± 64.6 | 200.425 ± 48.5 | 13.4% | 0.003 |
 Ct.Pm, mm2 | 71.0 ± 9.8 | 66.3 ± 7.5 | 7.1% | 0.001 |
Volumetric BMD, mgHA/ccm | ||||
 Tt.vBMD | 258.5 ± 83.2 | 284.3 ± 70.2 | −9.1% | 0.034 |
 Ct.vBMD | 882.9 ± 111.6 | 911.7 ± 58.7 | −3.2% | 0.042 |
 Tb.vBMD | 94.5 ± 42.7 | 106.6 ± 42.4 | −11.4% | 0.071 |
Microarchitecture | ||||
 BV/TV | 0.144 ± 0.056 | 0.160 ± 0.057 | −10.0% | 0.073 |
 Tb.Th, mm | 0.219 ± 0.019 | 0.219 ± 0.016 | 0.0% | 0.864 |
 Tb.N, 1/mm | 1.087 ± 0.326 | 1.148 ± 0.295 | −5.3% | 0.215 |
 Tb.Sp, mm | 1.042 ± 0.538 | 0.931 ± 0.393 | 11.9% | 0.136 |
 Tb.1/N.SD | 0.360 (0.284–0.508) | 0.318 (0.268–0.508) | 13.2% | 0.155 |
 Ct.Th, mm | 0.978 ± 0.256 | 1.006 ± 0.188 | −2.8% | 0.431 |
 Ct.Po, % | 0.60 (0.30–1.00) | 0.50 (0.30–0.85) | 20.0% | 0.279 |
Distal tibia | RA group (n = 80) | Control group (n = 81) | Difference | P |
Geometry | ||||
 Tt.Ar, mm2 | 712.4 ± 128.5 | 679.3 ± 110.4 | 4.9% | 0.081 |
 Ct.Ar, mm2 | 101.9 ± 28.1 | 107.4 ± 21.8 | −5.1% | 0.164 |
 Tb.Ar, mm2 | 615.6 ± 124.3 | 577.2 ± 110.0 | 6.7% | 0.039 |
 Ct.Pm, mm2 | 103.9 ± 9.5 | 101.3 ± 8.5 | 2.6% | 0.071 |
Volumetric BMD, mgHA/ccm | ||||
 Tt.vBMD | 218.1 ± 63.5 | 237.0 ± 51.8 | −8.0% | 0.040 |
 Ct.vBMD | 859.8 ± 89.8 | 869.5 ± 77.4 | −1.1% | 0.465 |
 Tb.vBMD | 109.3 ± 36.8 | 117.1 ± 36.5 | −6.7% | 0.179 |
Microarchitecture | ||||
 BV/TV | 0.179 ± 0.047 | 0.189 ± 0.047 | −5.3% | 0.196 |
 Tb.Th, mm | 0.241 ± 0.019 | 0.240 ± 0.019 | 0.4% | 0.627 |
 Tb.N, 1/mm | 1.116 ± 0.234 | 1.134 ± 0.207 | −1.6% | 0.608 |
 Tb.Sp, mm | 0.939 ± 0.239 | 0.902 ± 0.194 | 4.1% | 0.281 |
 Tb.1/N.SD | 0.360 (0.284–0.508) | 0.318 (0.268–0.508) | 13.2% | 0.398 |
 Ct.Th, mm | 1.165 ± 0.307 | 1.255 ± 0.264 | −7.2% | 0.048 |
 Ct.Po, % | 2.45 (1.40–3.95) | 3.00 (1.45–3.90) | −16.7% | 0.320 |