CORD-19:0036b28fddf7e93da0970303672934ea2f9944e7 / 119938-120074 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T944","span":{"begin":0,"end":136},"obj":"Sentence"},{"id":"T12647","span":{"begin":0,"end":136},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"A machine learning-based classification and regression trees method was used to assess predictors of survival at 7, 30, 90 and 180 days."}