Smith, Toby O ORCID: https://orcid.org/0000-0003-1673-2954, Donell, Simon T, Clark, Allan
ORCID: https://orcid.org/0000-0003-2965-8941, Chester, Rachel
ORCID: https://orcid.org/0000-0003-1979-0682, Cross, Jane
ORCID: https://orcid.org/0000-0002-7003-1916, Kader, Deiary F and Arendt, Elizabeth A
(2014)
The development, validation and internal consistency of the Norwich Patellar Instability (NPI) score.
Knee Surgery, Sports Traumatology, Arthroscopy, 22 (2).
pp. 324-335.
ISSN 0942-2056
Abstract
No outcome measurements have previously been designed to assess patient-perceived patellar instability. The purposes of this study were to address this limitation and to describe the development and validation of the Norwich Patellar Instability (NPI) scores, a self-administered 19-item questionnaire to assess perceived patellar instability.
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