{"id":"W3160734451","doi":"10.1182/blood.2021012217","title":"Frequency of positive anti-PF4/polyanion antibody tests after COVID-19 vaccination with ChAdOx1 nCoV-19 and BNT162b2","year":2021,"lang":"en","type":"article","venue":"Blood","topic":"Heparin-Induced Thrombocytopenia and Thrombosis","field":"Medicine","cited_by":150,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University","funders":"","keywords":"Vaccination; Platelet factor 4; Antibody; Medicine; Titer; Immunology; Virology; Platelet; Platelet activation","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":[],"consensus_categories":[],"category_scores_codex":[0.0005228877,0.0001958137,0.0002787191,0.0004703583,0.0002491981,0.0002813962,0.000253725,0.000419338,0.001731969],"category_scores_gemma":[0.001567086,0.0001765622,0.0002009467,0.0002966837,0.0002351677,0.0002976121,0.0002618159,0.0003909706,0.0002665638],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002082593,"about_ca_system_score_gemma":0.00009263695,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002266127,"about_ca_topic_score_gemma":0.001646117,"domain_scores_codex":[0.999274,0.0001847231,0.00004852204,0.0002108526,0.0001723859,0.0001096339],"domain_scores_gemma":[0.9989504,0.000272557,0.0004609189,0.00007648962,0.0001079365,0.0001317021],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004608188,0.00007417203,0.9944797,0.00001610619,0.00003312285,0.0001773289,0.0001518873,0.0000221578,0.001601151,0.00001483698,0.00009045535,0.002878412],"study_design_scores_gemma":[0.000005676412,0.0003423717,0.9984126,0.000004302626,0.00001396529,0.0004854036,0.0000883007,0.00008981647,0.0004288542,0.00001023919,0.0001159074,0.000002542659],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.999316,0.0001189926,0.00005016879,0.000009489249,0.000003656778,0.000005403703,0.00008089018,0.00000257772,0.0004128286],"genre_scores_gemma":[0.9996531,0.00003107341,0.0000281635,0.00001358334,0.00000385916,0.000004268776,0.00007689153,0.000001083044,0.0001879563],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002266127,"threshold_uncertainty_score":0.005793989,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01729853111923075,"score_gpt":0.3086736275384784,"score_spread":0.2913750964192477,"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."}}