PMC:7781500 / 7377-7515 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T81","span":{"begin":0,"end":138},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In step 2, multiple logistic regression analysis was performed with all the variables simultaneously with the outcome variable separately."}