Functional Index Questionnaire: structural validity study in Brazilian patients with anterior knee pain

Functional Index Questionnaire: structural validity study in Brazilian patients with anterior knee pain

ABSTRACT OBJECTIVE: To assess the Functional Index Questionnaire (FIQ) structure using confirmatory factor analysis (CFA) in Brazilian patients with anterior knee pain. METHODS: Brazilian patients of both sexes (n = 100), aged ≥ 18 years, with anterior knee pain for at least 3 months were included...

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Main Authors: André Pontes-Silva, Almir Vieira Dibai-Filho, Flávio de Oliveira Pires, Carlos Eduardo Girasol, Gabriel Gardhel Costa Araujo, Plínio da Cunha Leal, José Djalma Arrais Junior, Cid André Fidelis-de-Paula-Gomes, Christian Emmanuel Torres Cabido
Format: Article
Language:English
Published: Associação Paulista de Medicina 2025-06-01
Series:São Paulo Medical Journal
Subjects:
Patellofemoral pain syndrome
Knee
Osteoarthritis
Pain
Reproducibility of results
Musculoskeletal disorders
Consensus-based Standards for the Selection of Health
Measurement Instruments (COSMIN)
Chronic Pain
Patient-Reported Outcome Measures (PROMs)
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-31802025000500200&lng=en&tlng=en
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