PMC:7796111 / 65914-66087 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T493","span":{"begin":0,"end":173},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Group mean differences in GAD-7 were examined using an independent t test. * Due to limited statistical power test results should be interpreted with caution (power = 0.55)."}