About: http://webisa.webdatacommons.org/246440072

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	The matching variables (age, race and county (data not shown)) were well balanced between the cases and controls except for gender, but there was a significant excess in the proportion of female controls (P< 0.001).
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca