{"id":"W1990627097","doi":"10.1097/01.brs.0000058943.93281.28","title":"Prospective Randomized Clinical Trial Comparing Patient-Controlled Intravenous Analgesia With Patient-Controlled Epidural Analgesia After Lumbar Spinal Fusion","year":2003,"lang":"en","type":"article","venue":"Spine","topic":"Anesthesia and Pain Management","field":"Medicine","cited_by":77,"is_retracted":false,"has_abstract":true,"ca_institutions":"Vancouver Hospital and Health Sciences Centre; University of British Columbia","funders":"","keywords":"Medicine; Randomized controlled trial; Patient satisfaction; Visual analogue scale; Anesthesia; Opioid; Patient-controlled analgesia; Clinical trial; Prospective cohort study; Lumbar; Surgery; Physical therapy; Analgesic; Internal medicine","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.002897786,0.0005891735,0.003890601,0.000295411,0.0001900216,0.00006971269,0.0001384772,0.000205494,0.0004037444],"category_scores_gemma":[0.0009821606,0.0003772496,0.001021185,0.000395904,0.0003174735,0.0001112265,0.00003822826,0.0005347542,0.00005791735],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001409551,"about_ca_system_score_gemma":0.0001802788,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003906569,"about_ca_topic_score_gemma":0.00003170064,"domain_scores_codex":[0.9940257,0.001681793,0.001951488,0.0008140626,0.0008138957,0.0007130817],"domain_scores_gemma":[0.9977338,0.0002041372,0.0007712561,0.0006172524,0.0002862662,0.000387234],"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":[0.95669,0.001514151,0.03389492,0.0000645932,0.001358997,0.0006511722,0.0003011011,0.00003046816,0.000029852,0.001029084,0.0001614049,0.004274234],"study_design_scores_gemma":[0.9001077,0.01133071,0.08324485,0.0002760036,0.002006165,0.00007254518,0.0002290574,0.001504925,0.00003369006,0.0001684801,0.0005891681,0.0004366936],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9779085,0.001048074,0.002279826,0.0006396322,0.0003014935,0.01366391,7.273567e-7,0.0001243965,0.004033478],"genre_scores_gemma":[0.9934667,0.0001045817,0.002495802,0.001549029,0.0004053085,0.001417666,0.00002914659,0.00006389049,0.0004678268],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05658231,"threshold_uncertainty_score":0.9998679,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01549649559648721,"score_gpt":0.2808472143867129,"score_spread":0.2653507187902257,"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."}}