PropertyValue
nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 212 (xsd:integer)
nif:isString
  • A propensity score was initially used to balance demographic and treatment characteristics, which were distributed unequally between patients who had undergone laparoscopic appendectomies and open appendectomies.
rdf:type