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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Do the successful revision surgery for humeral nonunion solve all the effects on health‐related quality of life? A retrospective cohort study

Fig. 3

Mean SF-12 MCS scores according to diagnosis. Abbreviations: KBD, Kashin-Beck disease; COPD, Chronic Obstructive Pulmonary Disease. “Post-op” means that the fracture ends were healed smoothly. The medical condition above the upper dashed line or below the lower dashed line were associated with significantly (p<0.05) better or worse mental health, respectively, compared with pro-op and post-op MCS.

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