Cross-Cultural Adaptation and Validation of the Norwich Patellar Instability (NPI) Score and the Banff Patellofemoral Instability Instrument (BPII) 2.0 in a Polish Pediatric Population

The Polish versions of the BPII 2.0 and NPI scores demonstrated excellent reliability (ICC = 0.988 and 0.997, respectively), internal consistency (Cronbach's α = 0.95 and 0.93, respectively), and construct validity in Polish-speaking adolescent patients with surgically treated recurrent patellofemoral instability. This is the first validation of the NPI in an exclusively pediatric population. These tools are suitable for clinical assessment and research in this specific population. Limitations include the postoperative-only cohort and absence of structural validity assessment.

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Publication Details

Journal
Children
Published
2025-12-17
DOI
https://doi.org/10.3390/children12121708
Primary Topic
Lower Extremity Biomechanics and Pathologies
Type
article
Field-Weighted Citation Impact
0.00

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article

Cross-Cultural Adaptation and Validation of the Norwich Patellar Instability (NPI) Score and the Banff Patellofemoral Instability Instrument (BPII) 2.0 in a Polish Pediatric Population

Children
Lower Extremity Biomechanics and Pathologies
article

Cross-Cultural Adaptation and Validation of the Norwich Patellar Instability (NPI) Score and the Banff Patellofemoral Instability Instrument (BPII) 2.0 in a Polish Pediatric Population

article en

Abstract

The Polish versions of the BPII 2.0 and NPI scores demonstrated excellent reliability (ICC = 0.988 and 0.997, respectively), internal consistency (Cronbach's α = 0.95 and 0.93, respectively), and construct validity in Polish-speaking adolescent patients with surgically treated recurrent patellofemoral instability. This is the first validation of the NPI in an exclusively pediatric population. These tools are suitable for clinical assessment and research in this specific population. Limitations include the postoperative-only cohort and absence of structural validity assessment.

ChildrenVol. 12(12)
Jagiellonian University (PL), Uniwersytecki Szpital Dziecięcy (PL), Krakow Cardiovascular Research Institute (PL)
Uniwersytet Jagielloński Collegium Medicum
Openalex Percentile: Top 44%
Lower Extremity Biomechanics and Pathologies
DOIOpen Access PDFOpenAlex
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Cross-Cultural Adaptation and Validation of the Norwich Patellar Instability (NPI) Score and the Banff Patellofemoral Instability Instrument (BPII) 2.0 in a Polish Pediatric Population · Children (2025) | TGRS Research Map | TGRS