{"id":"W2902142809","doi":"10.1186/s40463-018-0322-7","title":"Does metformin usage improve survival in head and neck squamous cell carcinoma? A population-based study","year":2018,"lang":"en","type":"article","venue":"Journal of Otolaryngology - Head and Neck Surgery","topic":"Metabolism, Diabetes, and Cancer","field":"Biochemistry, Genetics and Molecular Biology","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ottawa Hospital; Queen's University; University of Ottawa","funders":"","keywords":"Metformin; Medicine; Oncology; Internal medicine; Proportional hazards model; Head and neck squamous-cell carcinoma; Head and neck cancer; Cohort; Cancer; Retrospective cohort study; Multivariate analysis; Population; Survival analysis","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0006936035,0.0002139165,0.0003466019,0.0005908625,0.0004936784,0.0006501402,0.0003881638,0.0006318499,0.00136467],"category_scores_gemma":[0.001473051,0.0002323275,0.00078088,0.001156691,0.0003407646,0.0004646372,0.000312547,0.0004334926,0.0002328329],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006302065,"about_ca_system_score_gemma":0.0005757965,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0147849,"about_ca_topic_score_gemma":0.02572592,"domain_scores_codex":[0.9996215,0.00008545486,0.00003782967,0.00009141741,0.00008221578,0.00008158368],"domain_scores_gemma":[0.9992078,0.0001236228,0.000370291,0.00008309406,0.00008054081,0.0001346506],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000200071,0.00002742083,0.9990201,0.000007112981,0.00008099744,0.00003885973,0.00002556575,0.00001053222,0.00007990977,0.000004471455,0.00003439664,0.0004705074],"study_design_scores_gemma":[0.00001565054,0.000144301,0.9993837,0.000003476199,0.00007778843,0.00008607758,0.00008700317,0.00004926666,0.00001685252,0.000009672994,0.0001235931,0.000002669189],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9989752,0.0002757956,0.00001982511,0.00004394423,0.000005285968,0.00000850452,0.0003422635,0.000001262448,0.0003280117],"genre_scores_gemma":[0.9995281,0.0001218345,0.00001661532,0.00002854814,0.00000872269,0.000004705264,0.0002291283,6.990663e-7,0.00006189051],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0147849,"threshold_uncertainty_score":0.02939767,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01337354403924001,"score_gpt":0.2609214399747964,"score_spread":0.2475478959355564,"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."}}