{"id":"W150253397","doi":"10.1155/2008/165421","title":"A Randomized, Double‐Blind, Crossover Comparison of the Efficacy and Safety of Oral Controlled‐Release Tramadol and Placebo in Patients with Painful Osteoarthritis","year":2008,"lang":"en","type":"article","venue":"Pain Research and Management","topic":"Veterinary Pharmacology and Anesthesia","field":"Veterinary","cited_by":44,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ottawa Hospital; Purdue Pharma (Canada); Arthritis Research Centre of Canada; Research Canada; Canadian Rheumatology Association","funders":"Purdue Pharma; McMaster University","keywords":"Tramadol; Medicine; Osteoarthritis; Placebo; Analgesic; Crossover study; Anesthesia; Visual analogue scale; Randomized controlled trial; Tramadol Hydrochloride; Internal medicine","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":[0.002188039,0.001310552,0.003813615,0.000603301,0.0005733231,0.0009907051,0.001110633,0.001997727,0.007606068],"category_scores_gemma":[0.003339553,0.00109418,0.001409705,0.0005683432,0.00189126,0.001290954,0.0003695579,0.001757092,0.001034809],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005431214,"about_ca_system_score_gemma":0.001085029,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006480242,"about_ca_topic_score_gemma":0.0009841092,"domain_scores_codex":[0.9986092,0.0007178433,0.0001706361,0.0002266619,0.0001583862,0.000117349],"domain_scores_gemma":[0.9976614,0.0009769783,0.0005363427,0.0001817473,0.0001905931,0.0004528773],"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":[0.971729,0.01157945,0.0003738705,0.0006060996,0.0005210129,0.00003517429,0.00005751705,0.00009665253,0.00391733,0.00007028571,0.0002211,0.01079246],"study_design_scores_gemma":[0.8948069,0.1032524,0.001069791,0.0000160832,0.0001872758,0.00002387352,0.00001537413,0.0001554341,0.0002684952,0.00003810781,0.00015765,0.000008554341],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9895215,0.003394077,0.0008589845,0.0002566087,0.0006962112,0.003813288,0.0003816971,0.0001163372,0.0009612737],"genre_scores_gemma":[0.9889613,0.002491407,0.002102382,0.0005158641,0.0007620586,0.00349136,0.0004330206,0.00001855256,0.001224103],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.007606068,"threshold_uncertainty_score":0.02544481,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07782199414663847,"score_gpt":0.3698834635175623,"score_spread":0.2920614693709238,"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."}}