It's enough to make me think that someone should do a study to determine whether fatalities might increase after a visit to a mental hospital.
There is one study I'm aware of.
Ooh... click
It is interesting that the suicide rate for people who have just left a mental ward is over twice that of those who have just started anti-depressants, but:
A. Those who end up in the mental ward are more likely to be in that group because they actually attempted to kill themselves, or because they have a plan, whereas the anti-depressant patients and other groups of people might be experiencing suicidal ideation without an attempt or plan, or simply just depression without suicidal ideation.
B. People who plan or attempt to kill themselves are...
If it's worth saying, but not worth its own post, even in Discussion, it goes here.