{"id":"W4416910106","doi":"10.2196/75635","title":"Postpandemic Change in Demographic and Clinical Features of Patients With Omicron Who Were Hospitalized: Territory-Wide Retrospective Repeated Cross-Sectional Study in Hong Kong","year":2025,"lang":"en","type":"article","venue":"JMIR Public Health and Surveillance","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Incidence (geometry); Public health; Epidemiology; Case fatality rate; Retrospective cohort study; Public health surveillance","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005339134,0.0003611462,0.0004017502,0.0005867634,0.0006115233,0.0006133272,0.0003775744,0.0004064597,0.0007726052],"category_scores_gemma":[0.0009068586,0.0004315863,0.0004099055,0.0009762899,0.0004489259,0.000636796,0.0005455061,0.0004791051,0.0002099675],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001103706,"about_ca_system_score_gemma":0.0009370026,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.05037394,"about_ca_topic_score_gemma":0.04960202,"domain_scores_codex":[0.9995468,0.00008415678,0.00005486955,0.0001318234,0.00006151319,0.0001208446],"domain_scores_gemma":[0.9989105,0.000101694,0.0004152433,0.00009868378,0.00019397,0.0002799169],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002824615,0.00001293086,0.9995765,0.000003876203,0.00001267387,0.00006120482,0.00007854958,0.000007536801,0.00006073645,0.000002522363,0.00002904785,0.0001261878],"study_design_scores_gemma":[0.000001594547,0.0000467783,0.9994449,0.000002473123,0.000005806408,0.0000823644,0.0003309443,0.00002713433,0.00001101131,0.00000131583,0.00004425562,0.000001397641],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.99941,0.00006875797,0.00002085615,0.00001313592,0.000003131833,0.00001078384,0.0003267203,0.000001158823,0.0001455236],"genre_scores_gemma":[0.9994892,0.00006261338,0.00002724161,0.0000357434,0.000004835764,0.00001244096,0.0002845794,7.998123e-7,0.00008249721],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05037394,"threshold_uncertainty_score":0.1001615,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03160232386084299,"score_gpt":0.3892570201774898,"score_spread":0.3576546963166468,"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."}}