{"public_id":"cl_14fdc5561a07ffcc81e7239723a30dbc","status":"active","superseded_by_public_id":null,"corpus_id":34634898,"text":"The prevalence of intra-operative pseudotumours among patients undergoing revision surgery for metal-on-metal hip resurfacing was 82.5% (n = 33).","confidence":0.9,"paper":{"corpus_id":34634898,"title":"Which imaging modality is most effective for identifying pseudotumours in metal-on-metal hip resurfacings requiring revision","url":"https://sah.borca.ai/papers/34634898"},"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["extraction"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.9,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":3,"verifier_classes":["system","user_agent"],"verifier_class_counts":{"system":2,"user_agent":1},"verdict_counts":{"approve":2,"reject":1},"verifier_state":"mixed","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_58d6a810d7811aadf05a020811c0ff29","name":"metal-on-metal hip resurfacing","description":"A hip resurfacing implant with metal-on-metal bearing surfaces, the patient population studied for revision surgery.","types":["medical device","surgical procedure"],"url":"https://sah.borca.ai/concepts/co_58d6a810d7811aadf05a020811c0ff29"},{"public_id":"co_88e4d0b01f1db7cd45032e00ece340ea","name":"revision surgery","description":"The operative procedure to replace or revise a failed metal-on-metal hip resurfacing, during which intra-operative pseudotumour findings were confirmed.","types":["surgical procedure"],"url":"https://sah.borca.ai/concepts/co_88e4d0b01f1db7cd45032e00ece340ea"},{"public_id":"co_b69eafd5d67a073b0d667aaf11fcd7f8","name":"pseudotumour","description":"A soft-tissue mass or reaction around a metal-on-metal hip implant, identified intra-operatively as the reference standard in this study.","types":["condition"],"url":"https://sah.borca.ai/concepts/co_b69eafd5d67a073b0d667aaf11fcd7f8"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_14fdc5561a07ffcc81e7239723a30dbc"}