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Fig. 6 | BMC Musculoskeletal Disorders

Fig. 6

From: The cross-sectional area ratio of a specific part of the flexor pollicis longus tendon- a stable sonographic measurement for trigger thumb: a cross-sectional trial

Fig. 6

The measurements of the C1/ C2 in normal thumb are plotted against the measurements in trigger thumb. A The ROC areas under curve of the group A (0- 6 year) pulley was 1; B the ROC areas under curve of group B (≥ 41 year) was 0.9895. ROC = Receiver operating characteristic; AUC= the area under the ROC curve

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