Open verdict v. suicide - importance to research

Open verdicts are often included in with suicides for research purposes and for setting health targets.

To examine similarities and differences in cases defined by the coroner as suicide and open verdicts and the implications of open verdicts for suicide research.

All cases of open and suicide verdicts recorded in the Newcastle Coroner's Court in the period 1985-1994 were compared on demographic and medical parameters.

Open and suicide verdicts had many similarities, differing only in some respects, of which logistic regression identified the most significant to be a suicide note, method used and age.

Open verdicts should be included in all suicide research after excluding cases in which suicide was unlikely. Objective criteria are needed to facilitate comparison between different studies.