PMC:7558914 / 8224-8436 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T50","span":{"begin":0,"end":105},"obj":"Sentence"},{"id":"T51","span":{"begin":106,"end":212},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"All variables analyzed were categorical and are shown as the absolute value and percentage, respectively. Statistical analyses were performed using SPSS Statistics for Windows, version 15.0(IBM, Armonk, NY, USA)."}