• Alberto Vascellari, Stefano Schiavetti, Enrico Rebuzzi, and Nicolò Coletti.
• Orthopaedic and Traumatology Department, Oderzo Hospital, Via Luzzatti 33, Oderzo, 31046, Treviso, Italy. mascvoz@gmail.com.
• Arch Orthop Trauma Surg. 2015 Nov 1; 135 (11): 1561-6.

IntroductionThe Nottingham Clavicle Score (NCS) is a specific Patient Reported Outcome Measure of injuries to the clavicle, acromio-clavicular joint (ACJ) and sterno-clavicular joint. The purpose of this study was to translate the NCS into Italian and establish its cultural adaptiveness and validity.Materials And MethodsThe original version of the NCS was translated into Italian in accordance with the cross-cultural adaptation guidelines described by Guillemin. Sixty-six patients [average age 45.7 years (SD 11.3)] who had received surgical treatment for injuries of the ACJ and the clavicle were included in the study. The study population completed the NCS twice within 5 days, the Oxford Shoulder Score (OSS), the Disability of the Arm, Shoulder and Hand (DASH) questionnaire and the short-form 36 (SF-36). Statistical tests assessed the construct validity, discriminant validity, internal consistency, reliability and feasibility of the NCS.ResultsThe translation and adaptation of the NCS for an Italian context required no major cultural adaptation. Internal consistency was high (Cronbach's α, 0.86). Test-retest reproducibility was excellent (ρ = 0.981, p < 0.00001). Administration time was 45 s (range 1 min 32 s-8 min), and all items were answered. The Italian NCS showed strong correlation with the DASH (-0.87), the OSS (-0.84) and those subscales of the SF-36 (physical functioning, role physical and bodily pain) which aim to measure similar constructs.ConclusionsThe Italian NCS scale is a reliable, valid, consistent shoulder assessment form that can be used to assess the functional limitations of patients with injuries of clavicle or ACJ.Level Of EvidenceIII.

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