{"id":"W23195934","doi":"10.1007/bf03022005","title":"Sample size calculations in randomized trials: common pitfalls","year":2007,"lang":"en","type":"editorial","venue":"Canadian Journal of Anesthesia/Journal canadien d anesthésie","topic":"Statistical Methods in Clinical Trials","field":"Mathematics","cited_by":30,"is_retracted":false,"has_abstract":false,"ca_institutions":"Child and Family Research Institute; Vancouver Coastal Health Research Institute; University of British Columbia","funders":"","keywords":"Sample size determination; Sample (material); Randomized controlled trial; Statistics; Psychology; Medicine; Mathematics; Physics; Internal medicine; Thermodynamics","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":["metaresearch"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.3604999,0.004198953,0.01134762,0.007706112,0.002702588,0.01051087,0.01126652,0.01547531,0.004795836],"category_scores_gemma":[0.8004429,0.002925285,0.005822659,0.007337486,0.01620699,0.006573099,0.003477433,0.05085596,0.002969115],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.005137461,"about_ca_system_score_gemma":0.008100294,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001623393,"about_ca_topic_score_gemma":0.003029509,"domain_scores_codex":[0.448741,0.4309405,0.05433159,0.008481653,0.05644552,0.001059815],"domain_scores_gemma":[0.06741159,0.890874,0.008669238,0.008317878,0.02339982,0.001327605],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0007814086,0.00007139795,0.0004371528,0.01455856,0.002540747,0.0004225367,0.0009593404,0.001450251,0.0001997313,0.04547808,0.6861091,0.2469917],"study_design_scores_gemma":[0.003015871,0.0005854772,0.001883701,0.02088834,0.0036739,0.001755893,0.0004691547,0.01866309,0.001284324,0.3661046,0.5812379,0.0004378357],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"editorial","genre_gemma":"editorial","genre_scores_codex":[0.0006229827,0.09236674,0.1537442,0.2623806,0.4845717,0.0007901675,0.0005523777,0.001456599,0.003514647],"genre_scores_gemma":[0.02038541,0.03364398,0.2578945,0.1702288,0.5083795,0.003956786,0.0001838318,0.001648339,0.003678837],"genre_candidate":"editorial","genre_consensus":"editorial","teacher_disagreement_score":0.6395,"threshold_uncertainty_score":0.7886174,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1958243577801247,"score_gpt":0.4524031535681233,"score_spread":0.2565787957879986,"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."}}