{"id":"https://openalex.org/W2201108350","doi":null,"title":"DEMOGRAPHIC AND EPIDEMIOLOGICAL TRENDS IN PATELLOFEMORAL PAIN.","display_name":"DEMOGRAPHIC AND EPIDEMIOLOGICAL TRENDS IN PATELLOFEMORAL PAIN.","publication_year":2015,"publication_date":"2015-06-01","ids":{"openalex":"https://openalex.org/W2201108350","mag":"2201108350","pmid":"https://pubmed.ncbi.nlm.nih.gov/26075143","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/4458915"},"language":"en","primary_location":{"id":"pmid:26075143","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26075143","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International journal of sports physical therapy","raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4458915/","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059258727","display_name":"Neal Robert Glaviano","orcid":"https://orcid.org/0000-0003-4515-8015","observed_orcids":["https://orcid.org/0000-0003-4515-8015"]},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Neal R Glaviano","raw_affiliation_strings":["Department of Kinesiology, Exercise and Sport Injury Laboratory, University of Virginia, Charlottesville, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Kinesiology, Exercise and Sport Injury Laboratory, University of Virginia, Charlottesville, VA, USA","institution_ids":["https://openalex.org/I51556381"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022848967","display_name":"Michelle Elizabeth Kew","orcid":"https://orcid.org/0000-0001-6189-0359","observed_orcids":["https://orcid.org/0000-0001-6189-0359"]},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michelle Kew","raw_affiliation_strings":["School of Medicine, University of Virginia, Charlottesville, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, University of Virginia, Charlottesville, VA, USA","institution_ids":["https://openalex.org/I51556381"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067666710","display_name":"Joseph M. Hart","orcid":"https://orcid.org/0000-0002-0410-5112","observed_orcids":["https://orcid.org/0000-0002-0410-5112"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Joseph M Hart","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5032813832","display_name":"SUSAN A. SALIBA","orcid":"https://orcid.org/0000-0001-7179-8310","observed_orcids":["https://orcid.org/0000-0001-7179-8310"]},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Susan Saliba","raw_affiliation_strings":["Department of Kinesiology, Exercise and Sport Injury Laboratory, University of Virginia, Charlottesville, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Kinesiology, Exercise and Sport Injury Laboratory, University of Virginia, Charlottesville, VA, USA","institution_ids":["https://openalex.org/I51556381"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.4745,"has_fulltext":false,"cited_by_count":103,"citation_normalized_percentile":{"value":0.93033038,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"10","issue":"3","first_page":"281","last_page":"90"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11068","display_name":"Tendon Structure and Treatment","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10084","display_name":"Musculoskeletal pain and rehabilitation","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/patellofemoral-pain-syndrome","display_name":"patellofemoral pain","score":0.9980000257492065},{"id":"https://openalex.org/keywords/incidence","display_name":"incidence","score":0.6620000004768372},{"id":"https://openalex.org/keywords/sex-differences","display_name":"sex differences","score":0.628000020980835},{"id":"https://openalex.org/keywords/age-distribution","display_name":"age distribution","score":0.8149999976158142},{"id":"https://openalex.org/keywords/temporal-trends","display_name":"temporal trends","score":0.9639999866485596},{"id":"https://openalex.org/keywords/anterior-knee-pain","display_name":"anterior knee pain","score":0.9599999785423279},{"id":"https://openalex.org/keywords/patellar-chondromalacia","display_name":"patellar chondromalacia","score":0.8560000061988831},{"id":"https://openalex.org/keywords/icd-9-codes","display_name":"ICD-9 codes","score":0.6769999861717224},{"id":"https://openalex.org/keywords/health-care-utilization","display_name":"health care utilization","score":0.5649999976158142},{"id":"https://openalex.org/keywords/us-population","display_name":"United States population","score":0.4169999957084656},{"id":"https://openalex.org/keywords/tendinopathy","display_name":"tendinopathy","score":0.46000000834465027},{"id":"https://openalex.org/keywords/osteoarthritis","display_name":"osteoarthritis","score":0.8100000023841858}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.926798403263092},{"id":"https://openalex.org/C107130276","wikidata":"https://www.wikidata.org/wiki/Q133805","display_name":"Epidemiology","level":2,"score":0.6054247617721558},{"id":"https://openalex.org/C68312169","wikidata":"https://www.wikidata.org/wiki/Q216685","display_name":"Orthopedic surgery","level":2,"score":0.5764862895011902},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.5519249439239502},{"id":"https://openalex.org/C2780368125","wikidata":"https://www.wikidata.org/wiki/Q229081","display_name":"Patella","level":2,"score":0.5135684013366699},{"id":"https://openalex.org/C2779734345","wikidata":"https://www.wikidata.org/wiki/Q7144437","display_name":"Patellofemoral pain syndrome","level":3,"score":0.5049434304237366},{"id":"https://openalex.org/C2780084366","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demographics","level":2,"score":0.5016536712646484},{"id":"https://openalex.org/C61511704","wikidata":"https://www.wikidata.org/wiki/Q1671857","display_name":"Incidence (geometry)","level":2,"score":0.4975886642932892},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.48414239287376404},{"id":"https://openalex.org/C195910791","wikidata":"https://www.wikidata.org/wiki/Q1324077","display_name":"Medical record","level":2,"score":0.462594211101532},{"id":"https://openalex.org/C45827449","wikidata":"https://www.wikidata.org/wiki/Q5270338","display_name":"Diagnosis code","level":3,"score":0.46144619584083557},{"id":"https://openalex.org/C2776164576","wikidata":"https://www.wikidata.org/wiki/Q62736","display_name":"Osteoarthritis","level":3,"score":0.42981964349746704},{"id":"https://openalex.org/C2779279471","wikidata":"https://www.wikidata.org/wiki/Q6421876","display_name":"Knee pain","level":4,"score":0.42097848653793335},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.23118188977241516},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.1843658983707428},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.18007075786590576},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.11249181628227234},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmid:26075143","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26075143","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International journal of sports physical therapy","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:4458915","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4458915/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Int J Sports Phys Ther","raw_type":"Text"},{"id":"mag:2201108350","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26075143","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":{"id":"pmh:oai:pubmedcentral.nih.gov:4458915","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4458915/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Int J Sports Phys Ther","raw_type":"Text"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.9922999739646912}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W98720601","https://openalex.org/W189737504","https://openalex.org/W1570960067","https://openalex.org/W1910030234","https://openalex.org/W1916251721","https://openalex.org/W1929165589","https://openalex.org/W1966266085","https://openalex.org/W1966807762","https://openalex.org/W1974234485","https://openalex.org/W1976523898","https://openalex.org/W1976849937","https://openalex.org/W1992860158","https://openalex.org/W2011087958","https://openalex.org/W2019167533","https://openalex.org/W2019203953","https://openalex.org/W2025929762","https://openalex.org/W2028209671","https://openalex.org/W2029942082","https://openalex.org/W2038250616","https://openalex.org/W2046525925","https://openalex.org/W2061822246","https://openalex.org/W2062350803","https://openalex.org/W2063299258","https://openalex.org/W2064101166","https://openalex.org/W2071573530","https://openalex.org/W2073185420","https://openalex.org/W2074713392","https://openalex.org/W2076163154","https://openalex.org/W2079138367","https://openalex.org/W2086656914","https://openalex.org/W2104674225","https://openalex.org/W2115653426","https://openalex.org/W2120662305","https://openalex.org/W2120793991","https://openalex.org/W2124381064","https://openalex.org/W2128589897","https://openalex.org/W2128878586","https://openalex.org/W2132677610","https://openalex.org/W2137601821","https://openalex.org/W2141039902","https://openalex.org/W2155152701","https://openalex.org/W2158383525","https://openalex.org/W2160258181","https://openalex.org/W2291741076","https://openalex.org/W2399601613","https://openalex.org/W2462808804","https://openalex.org/W2599076725"],"related_works":["https://openalex.org/W2120793991","https://openalex.org/W4300811776","https://openalex.org/W2783371735","https://openalex.org/W4306354408","https://openalex.org/W2516428962","https://openalex.org/W2141039902","https://openalex.org/W2806607873","https://openalex.org/W1875580767","https://openalex.org/W2056640481","https://openalex.org/W4237083312"],"abstract_inverted_index":{"BACKGROUND:":[0],"Understanding":[1],"the":[2,11,38,48,52,64,127,170,190,204,256,264,292,312,316,329,336],"demographics":[3],"of":[4,18,24,58,67,143,206,285,309,322],"patellofemoral":[5,25,68,150,207,225,297,323],"pain":[6,26,69,151,208,278,298,324],"is":[7],"important":[8],"to":[9,62,77,80,198,235],"determine":[10],"best":[12],"practices":[13],"in":[14,47,86,160,203,232,311],"diagnosis":[15,205,228,321],"and":[16,35,76,98,108,156,166,185,193,212,239,283,303,328],"treatment":[17],"this":[19,59,216],"difficult":[20],"pathology.":[21],"The":[22,56,173,227,320],"occurrence":[23,66],"has":[27,43],"been":[28,45],"reported":[29,65],"from":[30,36,169,189],"isolated":[31],"sports":[32],"medicine":[33],"clinics":[34],"within":[37,51,110,291],"military,":[39],"but":[40],"its":[41],"incidence":[42],"never":[44],"examined":[46,104],"general":[49],"population":[50],"United":[53,293,313],"States.":[54,294],"PURPOSE:":[55],"purpose":[57],"study":[60],"was":[61,229,249,269,279,305],"examine":[63],"for":[70,149],"those":[71],"individuals":[72,222],"seeking":[73,288],"medical":[74,289],"care":[75,290],"compare":[78],"that":[79,84,116,179],"all":[81,286],"other":[82],"pathologies":[83],"result":[85],"anterior":[87],"knee":[88],"pain,":[89],"such":[90],"as":[91],"tendinopathies,":[92],"patella":[93],"subluxation,":[94],"osteoarthritis,":[95],"or":[96],"meniscal":[97],"bursal":[99],"conditions.":[100],"Occurrence":[101],"rates":[102],"were":[103,124,164,167,180,187,196,220],"across":[105],"sex,":[106,210],"age":[107,327,333],"region":[109],"a":[111,132,270,306],"large":[112],"healthcare":[113],"provider":[114],"database":[115,134],"contains":[117],"over":[118],"30":[119],"million":[120],"individuals.":[121],"METHODS:":[122],"Data":[123],"queried":[125],"with":[126,183,224,237,251,259,326],"PearlDiver":[128],"Patient":[129],"Record":[130],"Database,":[131],"national":[133],"containing":[135],"orthopedic":[136],"patient":[137],"records.":[138],"Two":[139],"common":[140,231],"International":[141],"Classification":[142],"Disease,":[144],"Ninth":[145],"Revision":[146],"(ICD-9)":[147],"codes":[148,178],"(717.7":[152],"-":[153,158],"Patella":[154],"Chondromalacia":[155],"719.46":[157,186],"Pain":[159],"joint,":[161],"lower":[162],"leg)":[163],"utilized":[165,197],"searched":[168],"years":[171],"2007-2011.":[172],"top":[174],"twenty":[175],"additional":[176],"ICD-9":[177],"concurrently":[181],"coded":[182],"717.7":[184],"removed":[188],"data.":[191],"Chi-squared":[192],"Mantel-Haenszel":[194],"tests":[195],"identify":[199],"statistically":[200],"significant":[201,245],"differences":[202,246],"between":[209,247,273,281],"age,":[211],"year.":[213],"RESULTS:":[214],"During":[215],"five-year":[217,265],"period,":[218,267],"there":[219,268,304],"2,188,753":[221],"diagnosed":[223,280],"pain.":[226],"more":[230,299],"females":[233],"compared":[234],"males":[236,302],"1,211,665":[238],"977,088":[240],"cases":[241,258,310],"respectfully":[242],"(p<0.001).":[243],"Statistically":[244],"ages":[248],"found,":[250],"50-59":[252,330],"year":[253,331],"olds":[254],"having":[255],"most":[257,337],"578,854,":[260],"p<0.001.":[261],"And,":[262],"during":[263,315],"examination":[266,318],"steady":[271,307],"increase":[272,308],"2007-2011,":[274],"p<0.01.":[275],"CONCLUSION:":[276],"Patellofemoral":[277],"1.5%":[282],"7.3%":[284],"patients":[287],"Females":[295],"experienced":[296],"often":[300],"than":[301],"States":[314],"2007-2011":[317],"period.":[319],"increased":[325],"old":[332],"group":[334],"had":[335],"cases.":[338],"LEVEL":[339],"OF":[340],"EVIDENCE:":[341],"2b.":[342]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":15},{"year":2020,"cited_by_count":13},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
