{"id":"W4206440717","doi":"10.1136/postgradmedj-2021-141264","title":"Perfusion CT imaging as a diagnostic and prognostic tool for dementia: prospective case–control study","year":2022,"lang":"en","type":"article","venue":"Postgraduate Medical Journal","topic":"Dementia and Cognitive Impairment Research","field":"Medicine","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Medicine; Dementia; Perfusion scanning; Perfusion; Prospective cohort study; Radiology; Neuroimaging; Pathology; Psychiatry; Disease","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.002918905,0.0002199488,0.0003738177,0.0002487551,0.00116174,0.0001320566,0.0001435531,0.00001876134,0.001955038],"category_scores_gemma":[0.005946794,0.0001720154,0.0001454526,0.0002254543,0.0001329177,0.0001245631,0.0002577777,0.0009815608,0.00001219491],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001290274,"about_ca_system_score_gemma":0.0005300972,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00004479725,"about_ca_topic_score_gemma":0.000008230518,"domain_scores_codex":[0.9961741,0.0004651153,0.0004931236,0.0004068505,0.00183597,0.0006248545],"domain_scores_gemma":[0.9975403,0.001222234,0.0001308957,0.0001328837,0.0003543674,0.0006193368],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0006915684,0.001647396,0.8271914,0.00004153047,0.0004520283,0.05287208,0.0004789172,5.924275e-7,0.00008738731,0.00002702949,0.0005536801,0.1159564],"study_design_scores_gemma":[0.02028379,0.007870202,0.7836931,0.0001420685,0.001814274,0.1768236,0.004912553,0.002624595,0.00005706125,0.0008683354,0.0006547422,0.0002556566],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9844438,0.001249391,0.001575306,0.008326721,0.000264475,0.00387545,0.00003172537,0.00003786486,0.0001952151],"genre_scores_gemma":[0.9972575,0.00009804956,0.00011859,0.001190658,0.0003239303,0.0008121603,0.000009633301,0.00003580287,0.0001537061],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1239515,"threshold_uncertainty_score":0.9989573,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01078320434713981,"score_gpt":0.3162046524930046,"score_spread":0.3054214481458647,"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."}}