PMC:7796041 / 38805-39035 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T320","span":{"begin":0,"end":42},"obj":"Sentence"},{"id":"T321","span":{"begin":43,"end":230},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"LVEF = left ventricular ejection fraction. Data are presented as count and percentage within subgroup, unless stated otherwise. * = Fisher-Boschloo-test was used unless stated otherwise. † = t-test. ‡ = Wilcoxon-Mann-Whitney-test."}