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Título

Cross-cultural adaptation and measurement properties of the Brazilian–Portuguese version of the Cincinnati Knee Rating System

Resumo (máximo 3000 caracteres com espaço)

Purpose: To translate, culturally adapt, evaluate the measurement properties, and propose a new scoring
system of the Cincinnati Knee Rating System for the Brazilian population.
Materials and Methods: One hundred fifty people with anterior cruciate ligament injury completed
Cincinnati Knee Rating System and Lysholm Knee Scoring Scale on three occasions: 1-week prior to surgery,
90-days after and 95-days after reconstruction. The measurement properties of the
Brazilian–Portuguese Cincinnati Knee Rating System, internal consistency, construct validity, reproducibility,
ceiling and floor effect and responsiveness, were tested.
Results: Using the original scoring system (multiple scores), the internal consistency (Cronbach’s a) varied
between 0.54–0.79 (if item deleted¼0.07–0.73); the construct validity (Pearson’s r) varied between
0.19–0.82 (related to Lysholm); the reliability (intraclass correlation coefficient) varied between 0.96–0.99;
the standard error of measurement varied between 0.2–1.3 points; the minimum detectable change varied
between 0.4–3.5 points; no ceiling or floor effect was detected, and responsiveness (effect size) varied
between 0.3–2.7. Using the new proposed scoring system (single score), Cronbach’s a was 0.78 (if item
deleted¼0.65–0.71); the Pearson’s r was 0.79 (related to Lysholm); the intraclass correlation coefficient
was 0.99; the standard error of measurement was 0.5 points, the minimum detectable change was 1.3
points; no ceiling or floor effect was detected, and effect size was 1.4.
Conclusions: The Brazilian–Portuguese Cincinnati Knee Rating System has adequate property measurement
and can be used in a Brazilian population. The new proposed scoring system is appropriate.
IMPLICATIONS FOR REHABILITATION
The Brazilian–Portuguese Cincinnati Knee Rating System is a valid and reliable instrument which can
identify consistent clinical changes over the time.
The Brazilian–Portuguese Cincinnati Knee Rating System can be used to evaluate and to follow-up a
Brazilian population with anterior cruciate ligament injuries and postoperative reconstruction.
The new proposed score for Cincinnati Knee Rating System is appropriate and did not compromise
the quality of the measurement properties.
The new scoring system generates a unique score, creating a potentially simpler and faster clinical
understanding of the patient’s condition.

Palavras-chave (máximo 3)

Anterior Cruciate Ligament; Validation studies; Translation.

Área

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