Table 2: DXA versus QCT Cohen kappa statistics, per level and overall.

Vertebrae

L10.31 (0.075, 0.55) poor agreement
L20.39 (0.19, 0.59) poor agreement
L30.42 (0.18, 0.65) moderate agreement
Overall (L1–L3)0.45 (0.24, 0.66) moderate agreement

DXA: dual X-ray absorptiometry; QCT: quantitative computed tomography.