PMC:7652766 / 104153-104444 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T510","span":{"begin":0,"end":291},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Among these, there is the potential for immortal time bias and selection bias, the administration of corticosteroids in most patients treated with hydroxychloroquine than in other groups, and a disproportionately high share of patients with cardiovascular comorbidity in the untreated group."}

{"project":"LitCovid-PubTator","denotations":[{"id":"3825","span":{"begin":125,"end":133},"obj":"Species"},{"id":"3826","span":{"begin":227,"end":235},"obj":"Species"},{"id":"3827","span":{"begin":192,"end":193},"obj":"Gene"},{"id":"3829","span":{"begin":147,"end":165},"obj":"Chemical"}],"attributes":[{"id":"A3825","pred":"tao:has_database_id","subj":"3825","obj":"Tax:9606"},{"id":"A3826","pred":"tao:has_database_id","subj":"3826","obj":"Tax:9606"},{"id":"A3827","pred":"tao:has_database_id","subj":"3827","obj":"Gene:351"},{"id":"A3829","pred":"tao:has_database_id","subj":"3829","obj":"MESH:D006886"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"Among these, there is the potential for immortal time bias and selection bias, the administration of corticosteroids in most patients treated with hydroxychloroquine than in other groups, and a disproportionately high share of patients with cardiovascular comorbidity in the untreated group."}