{"id":"W4407896701","doi":"10.1503/cmaj.241176","title":"Petechial periflexural exanthem associated with parvovirus B19 infection in an 18-year-old","year":2025,"lang":"en","type":"article","venue":"Canadian Medical Association Journal","topic":"Parvovirus B19 Infection Studies","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Exanthem; Rash; Medicine; Petechial rash; Parvovirus; Dermatology; Emergency department; Erythema Infectiosum; Pediatrics; Virology; Parvoviridae; Virus; Surgery","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.001799995,0.0002129189,0.0004682697,0.0007225418,0.00039333,0.0001141326,0.0001138279,0.0005228416,0.002752637],"category_scores_gemma":[0.003726125,0.0001866752,0.0001108544,0.000916317,0.00008939671,0.000221494,0.00001908082,0.001630943,0.0001541796],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003610897,"about_ca_system_score_gemma":0.003488009,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.01237333,"about_ca_topic_score_gemma":0.3073672,"domain_scores_codex":[0.9970529,0.0003250655,0.0005627883,0.000260577,0.001149586,0.00064908],"domain_scores_gemma":[0.9977852,0.0002037603,0.0002481969,0.0001444309,0.000591129,0.001027342],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00007994477,0.0001193292,0.951951,0.000008587672,0.0002234564,0.0002868781,0.0001645679,0.00001044458,0.0000264529,0.0001628679,0.04339486,0.003571659],"study_design_scores_gemma":[0.003830704,0.0001626224,0.9297901,0.0002793521,0.000088027,0.000181034,0.0002650366,0.000199463,0.00004140685,0.00009658227,0.06486398,0.000201665],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9716021,0.00007215508,0.00006235931,0.007185665,0.0009259381,0.0002360036,0.00001510686,0.0000804191,0.01982023],"genre_scores_gemma":[0.9900198,0.0001353105,0.00004271701,0.006717375,0.0006865324,0.00002509919,0.00001906428,0.00002350217,0.002330612],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2949939,"threshold_uncertainty_score":0.998159,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0160881083860009,"score_gpt":0.2899214648308783,"score_spread":0.2738333564448774,"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."}}