PMC:7160614 / 24054-24259 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T273","span":{"begin":0,"end":205},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"To determine the clinical usefulness of the diagnostic model, we developed the decision curve (Fig. 4), which showed better performances for the CR model compared with that for the C model and the R model."}