{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,15]],"date-time":"2026-03-15T18:34:35Z","timestamp":1773599675753,"version":"3.50.1"},"reference-count":27,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2020,8,17]],"date-time":"2020-08-17T00:00:00Z","timestamp":1597622400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2020,8,17]],"date-time":"2020-08-17T00:00:00Z","timestamp":1597622400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2020,8,17]],"date-time":"2020-08-17T00:00:00Z","timestamp":1597622400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The purpose of this study was to report several novel classification systems for intra\u2010articular lesions observed during hip arthroscopy, and to quantify the interrater reliability of both these novel systems and existing classifications of intra\u2010articular lesions when tested by a group of high\u2010volume hip arthroscopists.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Five hip arthroscopists deliberated over shortcomings in current classification systems and developed several novel grading systems with particular effort made to capture factors important to the treatment and outcomes of hip arthroscopy for labral injury. A video learning module describing the classifications was then developed from the video archive of surgeries performed by the senior author and reviewed by study participants. Following review of the module, a pilot study was completed using five randomly selected videos, after which participating surgeons met once more to discuss points of disagreement and to seek clarification. The final video collection for testing reliability was composed of 29 videos selected with the intent of capturing all sublevels of each classification scheme. Study participants recorded their assessments using each classification scheme, and interrater reliability was calculated by a study participant not involved in grading.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The average kappa coefficients for the classification schemes ranged from 0.38 to 0.54, with the interrater reliability of all classification schemes except labral degeneration qualifying as moderate. The percent of cases with absolute agreement ranged from 17.2% to 51.7% across the classification systems.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Even among a group of high\u2010volume hip arthroscopists who engaged in several discussions about the proposed classification schemes, grades were found to have at best moderate interrater reliability. Moderate interrater reliability is demonstrated for novel grading systems for describing labral tear complexity, labral bruising, labral size, and extent of synovitis, and fair reliability is demonstrated for labral degeneration. Further development and refinement of multifactorial grading systems for describing labral injury are indicated. Evaluating the multifactorial nature of intra\u2010articular lesions in the hip is an important part of intraoperative decision\u2010making and defining reliable classifications for intra\u2010articular lesions is a critical first step towards developing generalizable criteria for guiding treatment type.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>Level III.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-020-06215-x","type":"journal-article","created":{"date-parts":[[2020,8,31]],"date-time":"2020-08-31T08:47:51Z","timestamp":1598863671000},"page":"1392-1400","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Arthroscopic classification of intra\u2010articular hip pathology demonstrates at best moderate interrater reliability"],"prefix":"10.1002","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3563-6124","authenticated-orcid":false,"given":"Brendan R.","family":"Emmons","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Peachtree Orthopedics Atlanta GA USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John J.","family":"Christoforetti","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> Texas Health Sports Medicine Allen TX USA"},{"name":"<!--<label>3<\/label>--> Allegheny Singer Research Institute Pittsburgh PA USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dean K.","family":"Matsuda","sequence":"additional","affiliation":[{"name":"<!--<label>4<\/label>--> DISC Sports and Spine Center Marina Del Rey CA USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew B.","family":"Wolff","sequence":"additional","affiliation":[{"name":"<!--<label>5<\/label>--> Hip Preservation and Sports Medicine Washington Orthopaedics and Sports Medicine Washington DC USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John P.","family":"Salvo","sequence":"additional","affiliation":[{"name":"<!--<label>6<\/label>--> Rothman Institute, Hip Arthroscopy Program, The Sydney Kimmel Medical College at Thomas Jefferson University Hospital Philadelphia PA USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"RobRoy","family":"Martin","sequence":"additional","affiliation":[{"name":"<!--<label>7<\/label>--> Department of Physical Therapy Rangos School of Health Sciences, Duquesne University Pittsburgh PA USA"},{"name":"<!--<label>8<\/label>--> UPMC Center for Sports Medicine Pittsburgh PA USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dominic S.","family":"Carreira","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Peachtree Orthopedics Atlanta GA 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