About: http://webisa.webdatacommons.org/133709234

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	However, using both multivariate analysis and propensity score matching analysis, we failed to demonstrate that age was an independent risk factor associated with overall survival.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com