{"id":"W1986539910","doi":"10.1016/s1063-4584(09)60373-3","title":"351 IS PHYSICAL ACTIVITY A RISK FACTOR FOR PRIMARY KNEE OR HIP REPLACEMENT DUE TO OSTEOARTHRITIS? A PROSPECTIVE COHORT STUDY","year":2009,"lang":"en","type":"article","venue":"Osteoarthritis and Cartilage","topic":"Osteoarthritis Treatment and Mechanisms","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"McGill University","funders":"","keywords":"Osteoarthritis; Medicine; Physical therapy; Prospective cohort study; Knee replacement; Cohort; Risk factor; Physical activity; Arthroplasty; Internal medicine; Surgery; Alternative medicine; Pathology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001424632,0.0007975131,0.0009263494,0.001209583,0.001573373,0.001574349,0.001034763,0.001727431,0.004065986],"category_scores_gemma":[0.002888485,0.001713458,0.002577699,0.002057644,0.0007265335,0.001047256,0.0008803562,0.002110115,0.0009537039],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003924928,"about_ca_system_score_gemma":0.0007493832,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01564325,"about_ca_topic_score_gemma":0.01643557,"domain_scores_codex":[0.9988244,0.0002999059,0.0001334814,0.0003178534,0.0001528776,0.0002714967],"domain_scores_gemma":[0.9974694,0.0003752792,0.0008020453,0.0005073868,0.0002345051,0.0006113641],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000639487,0.0001982098,0.9973851,0.00001510548,0.0004579394,0.0001797858,0.0001179684,0.00001902025,0.0004584698,0.00001825004,0.00009577041,0.0004149564],"study_design_scores_gemma":[0.00004282363,0.0004561015,0.9984693,0.000007408759,0.0002224049,0.0002630116,0.0002565855,0.00007685843,0.00004299476,0.00001878553,0.000132857,0.00001073225],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981909,0.0004846109,0.0001155944,0.00007923933,0.00003535903,0.00001585912,0.0006471972,0.000004879538,0.000426361],"genre_scores_gemma":[0.9982675,0.0002462556,0.00008741354,0.00007460878,0.00003266835,0.00001882326,0.0006287994,0.000004769352,0.000639101],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01564325,"threshold_uncertainty_score":0.03110439,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01127401848972701,"score_gpt":0.2667364757248142,"score_spread":0.2554624572350872,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}