Trends in knee osteoarthritis prevalence over a 10-year period in Japan: The ROAD study 2005–2015
Objective: This study aimed to clarify the trends in the prevalence of knee osteoarthritis (OA) and symptomatic knee OA among the general population using population-based cohort data from baseline and a survey 10 years later. Design: The baseline survey of the Research on Osteoarthritis/Osteoporosi...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-03-01
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| Series: | Osteoarthritis and Cartilage Open |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2665913125000056 |
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| author | Gaku Tanegashima Toshiko Iidaka Shigeyuki Muraki Chiaki Horii Hiroyuki Oka Hiroshi Kawaguchi Kozo Nakamura Toru Akune Sakae Tanaka Noriko Yoshimura |
| author_facet | Gaku Tanegashima Toshiko Iidaka Shigeyuki Muraki Chiaki Horii Hiroyuki Oka Hiroshi Kawaguchi Kozo Nakamura Toru Akune Sakae Tanaka Noriko Yoshimura |
| author_sort | Gaku Tanegashima |
| collection | DOAJ |
| description | Objective: This study aimed to clarify the trends in the prevalence of knee osteoarthritis (OA) and symptomatic knee OA among the general population using population-based cohort data from baseline and a survey 10 years later. Design: The baseline survey of the Research on Osteoarthritis/Osteoporosis Against Disability (ROAD) study was conducted from 2005 to 2007; 3040 participants (1061 men and 1979 women; mean age 70.3 years) completed all OA examinations, including a questionnaire of medical information in the present/past and radiographic examination. The fourth survey was performed from 2015 to 2016; 2893 individuals (895 men and 1998 women, mean age 68.9 years) completed assessments identical to those at the baseline survey. Knee OA was defined using the Kellgren–Lawrence grading system. Results: The prevalence of knee OA was 54.6 % (men, 42.0 %; women, 61.5 %) at the baseline survey and 39.3 % (men, 26.9 %; women, 44.9 %) at the fourth survey, with a significant decrease (p < 0.0001). The prevalence of symptomatic knee OA was 24.3 % (men, 16.9 %; women, 28.3 %) at the baseline survey and 20.6 % (men, 14.2 %; women, 23.5 %) at the fourth survey, showing a similar decrease (p < 0.0001). Thus, the prevalence of knee OA and symptomatic knee OA was lower at the fourth survey than at the baseline survey (p < 0.01). Conclusions: In the population-based survey with a 10-year interval, the prevalence of knee OA and symptomatic knee OA decreased significantly. This preferable change in OA may suggest rejuvenation in the current population and could contribute to a decrease in the occurrence of disabilities in the future. |
| format | Article |
| id | doaj-art-0c7a56fd87ca4a08b42c0964435cb4b9 |
| institution | DOAJ |
| issn | 2665-9131 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Osteoarthritis and Cartilage Open |
| spelling | doaj-art-0c7a56fd87ca4a08b42c0964435cb4b92025-08-20T02:55:32ZengElsevierOsteoarthritis and Cartilage Open2665-91312025-03-017110056910.1016/j.ocarto.2025.100569Trends in knee osteoarthritis prevalence over a 10-year period in Japan: The ROAD study 2005–2015Gaku Tanegashima0Toshiko Iidaka1Shigeyuki Muraki2Chiaki Horii3Hiroyuki Oka4Hiroshi Kawaguchi5Kozo Nakamura6Toru Akune7Sakae Tanaka8Noriko Yoshimura9Department of Orthopaedic Surgery, Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, JapanDepartment of Prevention Medicine for Locomotive Organ Disorders, 22nd Century Medical and Research Center, The University of Tokyo, Tokyo, 113-8655, JapanDepartment of Prevention Medicine for Locomotive Organ Disorders, 22nd Century Medical and Research Center, The University of Tokyo, Tokyo, 113-8655, JapanDepartment of Orthopaedic Surgery, Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, JapanDivision of Musculoskeletal AI System Development, Faculty of Medicine, The University of Tokyo, Tokyo, 113-8655, JapanNadogaya Hospital, Chiba, 277-0084, JapanTowa Hospital, Tokyo, 120-0003, JapanNational Rehabilitation Center for Persons with Disabilities, Saitama, 359-0042, JapanDepartment of Orthopaedic Surgery, Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, JapanDepartment of Prevention Medicine for Locomotive Organ Disorders, 22nd Century Medical and Research Center, The University of Tokyo, Tokyo, 113-8655, Japan; Corresponding author.Objective: This study aimed to clarify the trends in the prevalence of knee osteoarthritis (OA) and symptomatic knee OA among the general population using population-based cohort data from baseline and a survey 10 years later. Design: The baseline survey of the Research on Osteoarthritis/Osteoporosis Against Disability (ROAD) study was conducted from 2005 to 2007; 3040 participants (1061 men and 1979 women; mean age 70.3 years) completed all OA examinations, including a questionnaire of medical information in the present/past and radiographic examination. The fourth survey was performed from 2015 to 2016; 2893 individuals (895 men and 1998 women, mean age 68.9 years) completed assessments identical to those at the baseline survey. Knee OA was defined using the Kellgren–Lawrence grading system. Results: The prevalence of knee OA was 54.6 % (men, 42.0 %; women, 61.5 %) at the baseline survey and 39.3 % (men, 26.9 %; women, 44.9 %) at the fourth survey, with a significant decrease (p < 0.0001). The prevalence of symptomatic knee OA was 24.3 % (men, 16.9 %; women, 28.3 %) at the baseline survey and 20.6 % (men, 14.2 %; women, 23.5 %) at the fourth survey, showing a similar decrease (p < 0.0001). Thus, the prevalence of knee OA and symptomatic knee OA was lower at the fourth survey than at the baseline survey (p < 0.01). Conclusions: In the population-based survey with a 10-year interval, the prevalence of knee OA and symptomatic knee OA decreased significantly. This preferable change in OA may suggest rejuvenation in the current population and could contribute to a decrease in the occurrence of disabilities in the future.http://www.sciencedirect.com/science/article/pii/S2665913125000056OsteoarthritisKneePrevalenceCohort study |
| spellingShingle | Gaku Tanegashima Toshiko Iidaka Shigeyuki Muraki Chiaki Horii Hiroyuki Oka Hiroshi Kawaguchi Kozo Nakamura Toru Akune Sakae Tanaka Noriko Yoshimura Trends in knee osteoarthritis prevalence over a 10-year period in Japan: The ROAD study 2005–2015 Osteoarthritis and Cartilage Open Osteoarthritis Knee Prevalence Cohort study |
| title | Trends in knee osteoarthritis prevalence over a 10-year period in Japan: The ROAD study 2005–2015 |
| title_full | Trends in knee osteoarthritis prevalence over a 10-year period in Japan: The ROAD study 2005–2015 |
| title_fullStr | Trends in knee osteoarthritis prevalence over a 10-year period in Japan: The ROAD study 2005–2015 |
| title_full_unstemmed | Trends in knee osteoarthritis prevalence over a 10-year period in Japan: The ROAD study 2005–2015 |
| title_short | Trends in knee osteoarthritis prevalence over a 10-year period in Japan: The ROAD study 2005–2015 |
| title_sort | trends in knee osteoarthritis prevalence over a 10 year period in japan the road study 2005 2015 |
| topic | Osteoarthritis Knee Prevalence Cohort study |
| url | http://www.sciencedirect.com/science/article/pii/S2665913125000056 |
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