About: http://webisa.webdatacommons.org/282705894

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Patient characteristics were assessed using an unpaired 2-tailed t test, ??2 test, or Fisher exact test, depending on whether the variables were continuous or categorical.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com