Incidence and related risk factors of radiographic knee osteoarthritis: a population-based longitudinal study in China
Abstract Objective To explore the incidence and risk factors for radiographic knee osteoarthritis (ROA) in a suburban area of China. Methods Shunyi Osteoarthritis Study was a population-based, longitudinal study of knee osteoarthritis in Shunyi, a suburban area of Beijing, China. A total of 1295 res...
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doaj-4486f1c398d54904803657d2207aaecb2021-08-01T11:32:44ZengBMCJournal of Orthopaedic Surgery and Research1749-799X2021-07-011611910.1186/s13018-021-02577-1Incidence and related risk factors of radiographic knee osteoarthritis: a population-based longitudinal study in ChinaLiyi Zhang0Chutong Lin1Qiang Liu2Jiaxiang Gao3Yunfei Hou4Jianhao Lin5Arthritis Clinic and Research Center, Peking University People’s Hospital, Peking UniversityArthritis Clinic and Research Center, Peking University People’s Hospital, Peking UniversityArthritis Clinic and Research Center, Peking University People’s Hospital, Peking UniversityArthritis Clinic and Research Center, Peking University People’s Hospital, Peking UniversityArthritis Clinic and Research Center, Peking University People’s Hospital, Peking UniversityArthritis Clinic and Research Center, Peking University People’s Hospital, Peking UniversityAbstract Objective To explore the incidence and risk factors for radiographic knee osteoarthritis (ROA) in a suburban area of China. Methods Shunyi Osteoarthritis Study was a population-based, longitudinal study of knee osteoarthritis in Shunyi, a suburban area of Beijing, China. A total of 1295 residents aged over 50 years were recruited with fully informed by randomized cluster sampling and were followed up 3 years later. At the time of baseline and follow-up visits, participants completed a home interview questionnaire and received a clinical examination including height, weight, range of motion (ROM), chair stand test, 50-foot walk test, and weight-bearing posterior-anterior semi-flexed view of radiographs at tibiofemoral joints. The incident ROA for a knee was defined if its KL grade was no more than grade 1 at baseline visit and no less than grade 2 at the follow-up visit. A patient without ROA in both knees at the baseline visit and with ROA in at least one knee at the follow-up visit was viewed as an incident case of ROA in patient level. Generalized linear model and generalized estimating equation were performed to examine the association between socio-demographic factors, physical function as well as baseline knee joint condition, and incident ROA in patient and knee level. Results A total of 1295 residents were recruited at baseline in 2014, and 962 (74.3%) residents were followed in 2017. The annual cumulative incidence of ROA was 3.6% at knee level and 5.7% at patient level. Older age (per year, adjusted odds ratio (OR) = 1.079; 95% confidence interval (CI), 1.042-1.117), overweight (adjusted OR = 2.086; 95% CI, 1.286-3.385), female (adjusted OR = 1.756; 95% CI, 1.074-2.877), less ROM (per degree, adjusted OR = 0.952; 95% CI, 0.923-0.983) and Kellgren and Lawrence (KL) grade 1 at baseline (adjusted OR = 8.527; 95% CI, 5.489-13.246) were risk factors for incident ROA. Conclusion The incidence of knee ROA in Chinese suburban area was high. Advanced age, female, overweight, less range of motion, and KL grade 1 at baseline were associated with an increased risk of incident ROA.https://doi.org/10.1186/s13018-021-02577-1Knee osteoarthritisIncidenceRisk factorsRadiograph |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Liyi Zhang Chutong Lin Qiang Liu Jiaxiang Gao Yunfei Hou Jianhao Lin |
spellingShingle |
Liyi Zhang Chutong Lin Qiang Liu Jiaxiang Gao Yunfei Hou Jianhao Lin Incidence and related risk factors of radiographic knee osteoarthritis: a population-based longitudinal study in China Journal of Orthopaedic Surgery and Research Knee osteoarthritis Incidence Risk factors Radiograph |
author_facet |
Liyi Zhang Chutong Lin Qiang Liu Jiaxiang Gao Yunfei Hou Jianhao Lin |
author_sort |
Liyi Zhang |
title |
Incidence and related risk factors of radiographic knee osteoarthritis: a population-based longitudinal study in China |
title_short |
Incidence and related risk factors of radiographic knee osteoarthritis: a population-based longitudinal study in China |
title_full |
Incidence and related risk factors of radiographic knee osteoarthritis: a population-based longitudinal study in China |
title_fullStr |
Incidence and related risk factors of radiographic knee osteoarthritis: a population-based longitudinal study in China |
title_full_unstemmed |
Incidence and related risk factors of radiographic knee osteoarthritis: a population-based longitudinal study in China |
title_sort |
incidence and related risk factors of radiographic knee osteoarthritis: a population-based longitudinal study in china |
publisher |
BMC |
series |
Journal of Orthopaedic Surgery and Research |
issn |
1749-799X |
publishDate |
2021-07-01 |
description |
Abstract Objective To explore the incidence and risk factors for radiographic knee osteoarthritis (ROA) in a suburban area of China. Methods Shunyi Osteoarthritis Study was a population-based, longitudinal study of knee osteoarthritis in Shunyi, a suburban area of Beijing, China. A total of 1295 residents aged over 50 years were recruited with fully informed by randomized cluster sampling and were followed up 3 years later. At the time of baseline and follow-up visits, participants completed a home interview questionnaire and received a clinical examination including height, weight, range of motion (ROM), chair stand test, 50-foot walk test, and weight-bearing posterior-anterior semi-flexed view of radiographs at tibiofemoral joints. The incident ROA for a knee was defined if its KL grade was no more than grade 1 at baseline visit and no less than grade 2 at the follow-up visit. A patient without ROA in both knees at the baseline visit and with ROA in at least one knee at the follow-up visit was viewed as an incident case of ROA in patient level. Generalized linear model and generalized estimating equation were performed to examine the association between socio-demographic factors, physical function as well as baseline knee joint condition, and incident ROA in patient and knee level. Results A total of 1295 residents were recruited at baseline in 2014, and 962 (74.3%) residents were followed in 2017. The annual cumulative incidence of ROA was 3.6% at knee level and 5.7% at patient level. Older age (per year, adjusted odds ratio (OR) = 1.079; 95% confidence interval (CI), 1.042-1.117), overweight (adjusted OR = 2.086; 95% CI, 1.286-3.385), female (adjusted OR = 1.756; 95% CI, 1.074-2.877), less ROM (per degree, adjusted OR = 0.952; 95% CI, 0.923-0.983) and Kellgren and Lawrence (KL) grade 1 at baseline (adjusted OR = 8.527; 95% CI, 5.489-13.246) were risk factors for incident ROA. Conclusion The incidence of knee ROA in Chinese suburban area was high. Advanced age, female, overweight, less range of motion, and KL grade 1 at baseline were associated with an increased risk of incident ROA. |
topic |
Knee osteoarthritis Incidence Risk factors Radiograph |
url |
https://doi.org/10.1186/s13018-021-02577-1 |
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