title: Comparison Without Comparability.
authors.affiliation: Department of Intensive Care, North Karelia Central Hospital, Joensuu, Finland;Department of Intensive Care, Kuopio University Hospital, Kuopio, Finland;Department of Intensive Care, Tampere University Hospital, Tampere, Finland;Department of Intensive Care, Turku University Central Hospital, Turku, Finland;Department of Intensive Care, Kuopio University Hospital, Kuopio, Finland.
authors.forename: Matti
authors.initials: M
authors.lastname: Reinikainen
authors.forename: Stepani
authors.initials: S
authors.lastname: Bendel
authors.forename: Sari
authors.initials: S
authors.lastname: Karlsson
authors.forename: Mika
authors.initials: M
authors.lastname: Valtonen
authors.forename: Ari
authors.initials: A
authors.lastname: Uusaro