Bland–Altman plots for intraexaminer HW and cervical vertebra methods comparison of agreement. Dotted lines represent 95% limits of agreement. (a) HW method in T1 and T2. (b) HW method in T2 and T3. (c) Cervical vertebra method in T1 and T2. (d) Cervical vertebra method in T2 and T3. T1, first measurement; T2, second measurement; T3, third measurement; HW, hand-wrist; CVM, cervical vertebra; SD, standard deviation.