Hip osteoarthritis prevalence estimates by three radiographic scoring systems.
To estimate and compare the age-and sex-specific prevalence of radiographic hip osteoarthritis (RHOA) in a population-based study of the Pima Indians, using 3 atlas-based methods for assessing features of RHOA.
Pelvic radiographs from 755 Pima Indians age =45 years enrolled in a population-based study were read using the Kellgren/Lawrence (K/L) grading scale (grade 0-4) and 2 validated individual-radiographic-features (IRF) scales (grades 0-3 for narrowing and osteophytes).
The age-and sex-specific prevalence of RHOA among Pima Indians assessed using the K/L scale was<10% in all age and sex groups.
The prevalence of grade =2 osteophytes assessed using the 2 IRF scales were similar to each other in all age and sex groups.
However, differences between the 2 IRF scoring systems were found for the prevalence of grade =2 joint space narrowing.
Pima Indians have an age-and sex-specific prevalence of RHOA similar to that found in the US population.
Our finding of different joint space narrowing prevalence by the 2 IRF grading scales supports the use of the same atlas-based case definitions for determining disease prevalence for comparative studies.
Mots-clés Pascal : Arthrose, Hanche, Exploration, Radiographie, Etude comparative, Technique, Epidémiologie, Prévalence, Homme, Ethnie, Indien, Age, Sexe, Membre inférieur, Système ostéoarticulaire pathologie, Arthropathie, Maladie dégénérative, Radiodiagnostic, Indien Pima
Mots-clés Pascal anglais : Osteoarthritis, Hip, Exploration, Radiography, Comparative study, Technique, Epidemiology, Prevalence, Human, Ethnic group, Indian, Age, Sex, Lower limb, Diseases of the osteoarticular system, Arthropathy, Degenerative disease, Radiodiagnosis
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 98-0238118
Code Inist : 002B24A07. Création : 11/09/1998.