_:b57253094 . _:b57253094 "1"^^ . _:b57253097 "length of hospital stay" . _:b57253095 "T079" . _:b57253096 _:b57253097 . _:b57253095 "C0023303" . _:b57253094 _:b57253096 . _:b57253094 . _:b57253096 . _:b57253094 . _:b57253094 _:b57253095 . _:b57253097 .