Table 3 HRpQCT parameters among patients with RA, by fracture status

 Tt.Ar, mm²

312.2 ± 89.0

275.9 ± 62.1

0.095

755.3 ± 135.4

705.6 ± 127.1

0.236

 Ct.Ar, mm²

54.4 ± 15.3

58.0 ± 13.7

0.422

89.8 ± 24.3

103.8 ± 28.3

0.125

 Tb.Ar, mm²

262.8 ± 91.1

221.6 ± 58.3

0.049

671.1 ± 130.6

606.8 ± 122.0

0.112

 Ct.Pm, mm

77.9 ± 13.4

70.0 ± 8.8

0.012

107.3 ± 9.6

103.3 ± 9.4

0.204

 Tt.vBMD

195.5 ± 81.1

268.4 ± 79.6

0.006

163.0 ± 45.9

226.9 ± 61.7

0.002

 Ct.vBMD

765.3 ± 180.7

901.4 ± 84.7

0.032

801.8 ± 76.7

869.0 ± 88.8

0.020

 Tb.vBMD

68.6 ± 41.5

98.5 ± 41.8

0.030

78.8 ± 28.4

114.1 ± 35.8

0.003

 BV/TV

0.117 ± 0.049

0.149 ± 0.056

0.076

0.143 ± 0.034

0.185 ± 0.047

0.006

 Tb.Th, mm

0.220 ± 0.016

0.219 ± 0.020

0.795

0.243 ± 0.019

0.241 ± 0.019

0.698

 Tb.N, 1/mm

0.838 ± 0.336

1.126 ± 0.309

0.006

0.903 ± 0.255

1.150 ± 0.214

0.001

 Tb.Sp, mm

1.089(0.892–1.641)

0.875(0.715–1.074)

0.014

1.210(0.841–1.503)

0.849(0.767–1.037)

0.005

 Tb.1/N.SD

0.522(0.429–1.179)

0.349(0.280–0.478)

0.004

0.539(0.324–0.975)

0.353(0.287–0.466)

0.007

 Ct.Th, mm

0.854 ± 0.370

0.997 ± 0.231

0.084

0.988 ± 0.277

1.194 ± 0.304

0.039

 Ct.Po,%

0.60(0.40–1.50)

0.30(0.60–0.90)

0.427

2.50(1.60–4.00)

2.30(1.25–3.95)

0.670

 Stiffness, kN/mm

41.8 ± 19.0

46.6 ± 16.2

0.540

109.8 ± 25.3

131.2 ± 40.9

0.155

 Failure Load, N

2201 ± 982

2506 ± 937

0.476

6118 ± 1378

7233 ± 2277

0.180