{"corpus_id":22615825,"paper_sha":"bd04c8dff4acc1ef31c4310b73723f24e043679c","doi":"10.1016/j.jos.2018.04.003","arxiv_id":null,"pmid":29724468,"pmcid":null,"mag_id":2800091981,"dblp_id":null,"acl_id":null,"title":"Trends in isolated meniscus repair and meniscectomy in Japan, 2011-2016.","year":2018,"publication_date":"2018-07-01","venue":"Journal of Orthopaedic Science","journal":{"name":"Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association","pages":"\n          676-681\n        ","volume":"23 4"},"journal_issn":null,"journal_title":null,"publication_types":["JournalArticle"],"pubmed_pub_types":["Journal Article"],"s2_fields_of_study":["Medicine"],"reference_count":13,"citation_count":54,"influential_citation_count":0,"is_open_access":false,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":[{"d":"Adolescent","mj":false,"ui":"D000293"},{"d":"Adult","mj":false,"ui":"D000328"},{"d":"Age Distribution","mj":false,"ui":"D017677"},{"d":"Aged","mj":false,"ui":"D000368"},{"d":"Aged, 80 and over","mj":false,"ui":"D000369"},{"d":"Cohort Studies","mj":false,"ui":"D015331"},{"d":"Databases, Factual","mj":false,"ui":"D016208"},{"d":"Female","mj":false,"ui":"D005260"},{"d":"Humans","mj":false,"ui":"D006801"},{"d":"Incidence","mj":false,"ui":"D015994"},{"d":"Japan","mj":false,"qs":[{"q":"epidemiology","mj":false,"ui":"Q000453"}],"ui":"D007564"},{"d":"Male","mj":false,"ui":"D008297"},{"d":"Meniscectomy","mj":false,"qs":[{"q":"methods","mj":false,"ui":"Q000379"},{"q":"trends","mj":true,"ui":"Q000639"}],"ui":"D000074403"},{"d":"Menisci, Tibial","mj":false,"qs":[{"q":"physiopathology","mj":false,"ui":"Q000503"},{"q":"surgery","mj":true,"ui":"Q000601"}],"ui":"D008592"},{"d":"Middle Aged","mj":false,"ui":"D008875"},{"d":"Postoperative Complications","mj":false,"qs":[{"q":"epidemiology","mj":false,"ui":"Q000453"},{"q":"physiopathology","mj":false,"ui":"Q000503"}],"ui":"D011183"},{"d":"Prognosis","mj":false,"ui":"D011379"},{"d":"Retrospective Studies","mj":false,"ui":"D012189"},{"d":"Risk Assessment","mj":false,"ui":"D018570"},{"d":"Sex Distribution","mj":false,"ui":"D017678"},{"d":"Tibial Meniscus Injuries","mj":false,"qs":[{"q":"diagnostic imaging","mj":false,"ui":"Q000000981"},{"q":"epidemiology","mj":false,"ui":"Q000453"},{"q":"surgery","mj":true,"ui":"Q000601"}],"ui":"D000070600"},{"d":"Treatment Outcome","mj":false,"ui":"D016896"},{"d":"Young Adult","mj":false,"ui":"D055815"}],"chemicals":null,"comments_corrections":null,"source_flags":5,"s2_open_access_pdf_url":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"BACKGROUND\nMeniscus surgery is the most commonly performed orthopedic surgery, and despite recent emphasis on saving the meniscus, the current status of meniscus surgeries is little known in many countries, including Japan. The National Database of Health Insurance Claims and Specific Health Checkups of Japan and the Statistics of Medical Care Activities in Public Health Insurance track meniscus surgeries through health insurance claims. The National Database provides the numbers for 2014 and 2015, and the Statistics of Medical Care Activities provides the numbers from June 2011 to June 2016. Our aim was to analyze isolated meniscus surgery numbers and meniscus repair ratios by age group based on the National Database and evaluate trends of meniscus repair ratios for the latest six years from the Statistics of Medical Care Activities.\n\n\nMETHODS\nMeniscus surgeries by age group were counted from the National Database for 2014-2015, and meniscus repair ratios (meniscus repairs/meniscus surgeries) were calculated. The numbers were also counted from the Statistics of Medical Care Activities in 2011-2016. For statistical analysis of annual trends of meniscus repair ratios, the Cochran-Armitage trend test was used. Meniscus surgeries with concomitant knee ligament surgeries were excluded.\n\n\nRESULTS\nAccording to the National Database, isolated meniscus surgeries totaled 34,966 in 2015, with peak ages of patients in their late teens and 60s. The meniscus repair ratio was 19% in 2014 and 24% in 2015. According to the Statistics of Medical Care Activities, the meniscus repair ratio was 9% in 2011 and significantly increased to 25% in 2016 (p = 0.0008). The ratio also increased significantly in each age group between the early 20s and late 70s.\n\n\nCONCLUSIONS\nApproximately 35,000 meniscus surgeries are performed in Japan annually, with peak ages in the late teens and 60s. The number of meniscus repairs has increased over the past six years.","claims":[{"public_id":"cl_e76fa0293be15ad4d239e58216dd3c9f","status":"active","text":"Isolated meniscus surgeries totaled 34,966 in Japan in 2015, with peak patient ages in the late teens and 60s.","confidence":0.96,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_e76fa0293be15ad4d239e58216dd3c9f"},{"public_id":"cl_d99be9c32a2fcc54ce1cb3f73eea8a97","status":"active","text":"Meniscus surgeries with concomitant knee ligament surgeries were excluded from the analysis.","confidence":0.94,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_d99be9c32a2fcc54ce1cb3f73eea8a97"},{"public_id":"cl_79bdb4e6b0adc5ed53586fbb10db0089","status":"active","text":"The meniscus repair ratio in the National Database was 19% in 2014 and 24% in 2015.","confidence":0.95,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_79bdb4e6b0adc5ed53586fbb10db0089"},{"public_id":"cl_faf2bebc3477c49fa89eb43b8f09eb2b","status":"active","text":"The meniscus repair ratio in the Statistics of Medical Care Activities increased significantly from 9% in 2011 to 25% in 2016.","confidence":0.96,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_faf2bebc3477c49fa89eb43b8f09eb2b"},{"public_id":"cl_cd1e79dd77945f55837395f22297b4eb","status":"active","text":"The meniscus repair ratio increased significantly in each age group between the early 20s and late 70s.","confidence":0.93,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_cd1e79dd77945f55837395f22297b4eb"}],"concepts":[{"public_id":"co_33770602b2819e7fad7629279c6c647b","status":"active","name":"meniscus surgeries with concomitant knee ligament surgeries","description":"Meniscus operations performed together with knee ligament surgery and excluded from the analysis.","types":["exclusion category"],"aliases":[],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_33770602b2819e7fad7629279c6c647b"},{"public_id":"co_5bc09c1c7d79a7b7eaa8e3c11892185b","status":"active","name":"peak ages","description":"Age ranges with the highest number of isolated meniscus surgeries in the reported data.","types":["demographic feature"],"aliases":[],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_5bc09c1c7d79a7b7eaa8e3c11892185b"},{"public_id":"co_660cb784df24384d8d2d12888b6aa0dd","status":"active","name":"Statistics of Medical Care Activities in Public Health Insurance","description":"A Japanese public health insurance statistics source used to count meniscus surgeries from June 2011 to June 2016.","types":["data source"],"aliases":["Statistics of Medical Care Activities"],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_660cb784df24384d8d2d12888b6aa0dd"},{"public_id":"co_761d1d56ae86cb05a8cf1d69696ee470","status":"active","name":"meniscus repair ratio","description":"The proportion calculated as meniscus repairs divided by all meniscus surgeries.","types":["measure"],"aliases":["meniscus repair ratios"],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_761d1d56ae86cb05a8cf1d69696ee470"},{"public_id":"co_9a934404d70d9a438df9682709adf57a","status":"active","name":"age group","description":"Patient age categories used to report surgery counts and repair ratios.","types":["stratification variable"],"aliases":["age groups"],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_9a934404d70d9a438df9682709adf57a"},{"public_id":"co_9ede1c69866b06d33142593cf3d832b0","status":"active","name":"meniscus repair","description":"A surgical procedure to repair the knee meniscus, counted separately from meniscectomy.","types":["surgical procedure"],"aliases":["meniscus repairs"],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_9ede1c69866b06d33142593cf3d832b0"},{"public_id":"co_af8b2e518d3ac9d8e406c7758ab4517e","status":"active","name":"Cochran-Armitage trend test","description":"A statistical test used to analyze annual trends in meniscus repair ratios.","types":["statistical method"],"aliases":[],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_af8b2e518d3ac9d8e406c7758ab4517e"},{"public_id":"co_cd57ff4060ae9f94d04e0266b90e2f36","status":"active","name":"Japan","description":"The country whose health insurance data were analyzed for trends in meniscus surgery.","types":["geographic setting"],"aliases":[],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_cd57ff4060ae9f94d04e0266b90e2f36"},{"public_id":"co_efa5d2a863781ba470da14d34555c7ce","status":"active","name":"isolated meniscus surgeries","description":"Meniscus operations analyzed after excluding cases with concomitant knee ligament surgery.","types":["procedure category"],"aliases":[],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_efa5d2a863781ba470da14d34555c7ce"},{"public_id":"co_f041cdc31a9eeb358e2cb5160d7cbe3c","status":"active","name":"National Database of Health Insurance Claims and Specific Health Checkups of Japan","description":"A Japanese health insurance claims database used to count meniscus surgeries by age group for 2014 and 2015.","types":["database"],"aliases":["National Database"],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_f041cdc31a9eeb358e2cb5160d7cbe3c"},{"public_id":"co_f48f07fc901cec4d19356b963f03709e","status":"active","name":"meniscectomy","description":"A surgical procedure involving removal of meniscal tissue, named in the title as a comparison category.","types":["surgical procedure"],"aliases":[],"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_f48f07fc901cec4d19356b963f03709e"}],"external_ids":{"DOI":"10.1016/j.jos.2018.04.003","ArXiv":null,"PubMed":29724468,"PubMedCentral":null,"MAG":2800091981,"DBLP":null,"ACL":null},"open_access":{"is_open_access":false,"pdf_url":null,"landing_url":"https://sah.borca.ai/papers/22615825","source":null,"pdf_url_source":null,"license":null,"reason":"pdf_url_not_indexed"},"reference_availability":{"status":"available","references_indexed":true,"full_text_available":false,"full_text_source":null,"count_basis":"semantic_scholar_metadata","extraction_status":"not_applicable","reason":null},"source":{"provider":"episteme2","base_corpus":"semantic_scholar_dump","freshness_mode":"unknown","basis":["semantic_scholar_metadata","postgres_metadata"],"limits":["paper metadata is based on indexed upstream scholarly datasets","claims and concepts are available only for extracted papers","absence of claims or concepts means no extracted graph data is available in this response"],"status":"available","degraded":false,"degraded_reasons":[],"diagnostics":{"status":"available","degraded":false,"degraded_reasons":[],"metadata_status":"available","graph_status":"available","abstract_status":"available"},"source_flags":5},"paper_id":630712,"paper_uid":"ecc63e46-02ed-49c7-ac8c-02800f4ff8ae","canonical_identity":{"paper_id":630712,"paper_uid":"ecc63e46-02ed-49c7-ac8c-02800f4ff8ae","identity_status":"available","lookup_basis":"semantic_scholar_external_id","compatibility_path":"corpus_id"},"url":"https://sah.borca.ai/papers/22615825"}