{"id":"W4415906415","doi":"10.1136/bmjopen-2025-107258","title":"Comparative effectiveness of opioid versus opioid-free analgesia after outpatient breast surgery: PAIN-Alt trial protocol","year":2025,"lang":"en","type":"article","venue":"BMJ Open","topic":"Anesthesia and Pain Management","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Respiratory Research Network; London Health Sciences Centre; Centre hospitalier universitaire de Québec; University of Manitoba; University of Ottawa; Jewish General Hospital; University of Calgary; McGill University; McGill University Health Centre","funders":"Canadian Institutes of Health Research","keywords":"Protocol (science); Opioid; Clinical trial; Breast cancer; MEDLINE; Randomized controlled trial","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"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":[0.02970359,0.007390232,0.01106521,0.00218649,0.002486174,0.00468628,0.004277099,0.008416109,0.0993137],"category_scores_gemma":[0.02723841,0.003155545,0.00505923,0.003014958,0.00435115,0.005047049,0.002238785,0.008938812,0.01888016],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.004763349,"about_ca_system_score_gemma":0.01557592,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002124083,"about_ca_topic_score_gemma":0.005342579,"domain_scores_codex":[0.9833228,0.01023705,0.001783808,0.001393586,0.001580221,0.001682583],"domain_scores_gemma":[0.9879432,0.003531434,0.003009797,0.001379814,0.001925568,0.002210164],"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":[0.896857,0.008169285,0.001055436,0.032081,0.002286336,0.0003083202,0.0006385847,0.001545673,0.00139237,0.004870944,0.02736934,0.02342563],"study_design_scores_gemma":[0.9330648,0.01969492,0.002389141,0.005876574,0.001357971,0.0001203173,0.000196153,0.002457779,0.0006485446,0.004060948,0.02999154,0.0001413031],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"protocol","genre_gemma":"protocol","genre_scores_codex":[0.002164448,0.0004525675,0.001009679,0.0003378385,0.0003089157,0.9927852,0.001548517,0.0001063129,0.001286486],"genre_scores_gemma":[0.003437483,0.0002559738,0.001495251,0.0003340317,0.00009220128,0.9932451,0.0003773681,0.00001079592,0.0007519113],"genre_candidate":"protocol","genre_consensus":"protocol","teacher_disagreement_score":0.0993137,"threshold_uncertainty_score":0.3322374,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06452864070177697,"score_gpt":0.3995841325588922,"score_spread":0.3350554918571153,"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."}}