Hubungan Antara Derajat Osteoartritis Genu Dengan Indeks Massa Tubuh: Studi Berbasis Radiografi Konvensional Lutut Berdasarkan Kriteria Kellgren & Lawrence

Airlangga Archimedes  Gymnastiar; Winansih  Gubali; Abdi Dzul Ikram  Hasanuddin; Sri Manovita  Pateda; Elen Mahmud  Lukum

Authors

Airlangga Archimedes Gymnastiar Program Studi Kedokteran, Fakultas Kedokteran, Universitas Negeri Gorontalo, Gorontalo, Indonesia
Winansih Gubali Departemen Radiologi, Fakultas Kedokteran, Universitas Negeri Gorontalo, Gorontalo, Indonesia
Abdi Dzul Ikram Hasanuddin Departemen Histologi, Fakultas Kedokteran, Universitas Negeri Gorontalo, Gorontalo, Indone
Sri Manovita Pateda Departemen Fisiologi, Fakultas Kedokteran, Universitas Negeri Gorontalo, Gorontalo, Indonesia
Elen Mahmud Lukum Departemen Radiologi, Fakultas Kedokteran, Universitas Negeri Gorontalo, Gorontalo, Indonesia

Keywords:

Body Mass Index, Knee Osteoarthritis, Kellgren-Lawrence Classification, Radiography, Severity

Abstract

Background: Knee osteoarthritis (OA) is a common degenerative joint disease characterized by
cartilage damage, osteophyte formation, and joint space narrowing. Body Mass Index (BMI) is a
potential risk factor influencing OA severity by increasing mechanical load on the knee joint. Kellgren
& Lawrence classification via conventional radiography is a standard method to assess OA severity.
Objective: This study aimed to analyze the association between BMI and knee OA severity based on
Kellgren & Lawrence criteria. Methods: An analytic observational cross-sectional study was
conducted at RSUD Prof. Dr. Aloei Saboe from May to July 2025. Thirty patients diagnosed with
knee OA underwent BMI measurement and conventional knee radiography. Data were analyzed using
Spearman rank correlation test. Results: Most patients had Kellgren & Lawrence grade 2 or 3 OA.
BMI distribution ranged from normal to severe obesity. Statistical analysis showed no significant
correlation between BMI and OA severity (p = 0.457). Conclusion: No significant association
between BMI and radiographic OA severity was found. Further studies with larger samples are
recommended.

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