{"id":"W3036478808","doi":"10.1097/j.pain.0000000000001969","title":"Are endogenous opioid mechanisms involved in the effects of aerobic exercise training on chronic low back pain? A randomized controlled trial","year":2020,"lang":"en","type":"article","venue":"Pain","topic":"Musculoskeletal pain and rehabilitation","field":"Medicine","cited_by":33,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Center for Advancing Translational Sciences; National Institute of General Medical Sciences; National Institute on Drug Abuse","keywords":"Medicine; Endogenous opioid; Aerobic exercise; Placebo; Chronic pain; Analgesic; (+)-Naloxone; Randomized controlled trial; Physical therapy; Opioid; Anesthesia; Crossover study; Internal medicine","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.003947735,0.001098733,0.003635147,0.0004980391,0.0006927311,0.001192658,0.001065987,0.003478622,0.00929048],"category_scores_gemma":[0.004654202,0.000690451,0.002698249,0.0005206907,0.001470594,0.0009892574,0.0004872362,0.002283859,0.0007600478],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007444982,"about_ca_system_score_gemma":0.001398683,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001427638,"about_ca_topic_score_gemma":0.002366918,"domain_scores_codex":[0.9973509,0.001531878,0.0003133951,0.0003173421,0.0002085233,0.0002778544],"domain_scores_gemma":[0.9977003,0.001204937,0.0004871943,0.0001504342,0.0001600658,0.000297139],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.9866036,0.003793447,0.0002356639,0.000903521,0.00100467,0.00001486774,0.00002702853,0.00006330173,0.0006084705,0.00006246826,0.0001389342,0.00654402],"study_design_scores_gemma":[0.9559901,0.04058626,0.001318534,0.0001105654,0.001200467,0.00001004679,0.00001621403,0.0001659913,0.0001628852,0.0000994903,0.0003314851,0.000007917551],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9609788,0.01747756,0.001437796,0.001598639,0.001841823,0.01263152,0.0008452609,0.0001451216,0.003043459],"genre_scores_gemma":[0.9634895,0.007657371,0.003273418,0.001779232,0.001727138,0.01810803,0.0004790038,0.00002452732,0.003461942],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00929048,"threshold_uncertainty_score":0.03107977,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02076224046547265,"score_gpt":0.2455437031890079,"score_spread":0.2247814627235352,"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."}}