{"id":"W4416302740","doi":"10.21203/rs.3.rs-7745042/v1","title":"Development and Evaluation of a Reusable Self-Healing Phantom for Ultrasound-Guided Femoral Vascular Access","year":2025,"lang":"","type":"preprint","venue":"Research Square","topic":"Vascular Procedures and Complications","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"St. Thomas Hospital","funders":"King's College London","keywords":"Imaging phantom; Vascular access; Likert scale; Silicone; Training (meteorology)","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":[0.01868901,0.0005228833,0.001125135,0.001107663,0.001071203,0.0003523505,0.00103651,0.0005906413,0.0002126282],"category_scores_gemma":[0.003721033,0.0005237169,0.000466678,0.00137791,0.0002071006,0.0001988556,0.001558586,0.001180619,0.00001230024],"about_ca_system_candidate":true,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001369805,"about_ca_system_score_gemma":0.01180419,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004332808,"about_ca_topic_score_gemma":0.0001322058,"domain_scores_codex":[0.9905401,0.001109546,0.001462967,0.001594414,0.004120606,0.001172321],"domain_scores_gemma":[0.9854586,0.001115706,0.0003840785,0.001783752,0.01079874,0.0004591823],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"systematic_review","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.002802385,0.0153457,0.08978461,0.4303478,0.03187238,0.00002736381,0.06273463,0.02965437,0.01795568,0.03014903,0.04278928,0.2465368],"study_design_scores_gemma":[0.04203105,0.00190671,0.2193907,0.06513071,0.01161088,0.0003740573,0.01880291,0.4124033,0.08552126,0.02869344,0.1101536,0.003981396],"study_design_candidate":"systematic_review","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8963112,0.04380138,0.0187052,0.002105256,0.0005323683,0.03212643,0.0003167008,0.0001741723,0.005927263],"genre_scores_gemma":[0.939091,0.009423723,0.04032902,0.00007279996,0.0004965054,0.00831868,0.001197631,0.00009705709,0.0009735933],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3827489,"threshold_uncertainty_score":0.9997215,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2357597222300789,"score_gpt":0.5063672659374077,"score_spread":0.2706075437073288,"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."}}