PMC:7172841 / 34094-34210 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T312","span":{"begin":111,"end":115},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"Qualitative data were presented as percentages and confidence intervals (CIs) and compared by the Fisher exact test."}

{"project":"LitCovid-sentences","denotations":[{"id":"T268","span":{"begin":0,"end":116},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Qualitative data were presented as percentages and confidence intervals (CIs) and compared by the Fisher exact test."}