About: http://webisa.webdatacommons.org/192087200

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	Potential confounders were prognostic variables that differed at baseline, between male and female patients, such as age and a history of diabetes mellitus (DM).
http://www.w3.org/ns/prov#wasQuotedFrom	plos.org