Originally Posted by Minnesail
I generally do wear a PFD so I'm just playing devil's advocate here, but…
We have the data that 89% of drowning victims were not wearing a PFD and presumably 11% were. But to put that in context we need to know the overall level of PFD usage. For example, if only 11% of people routinely wear a PFD, then the fact that 11% of drowning victims were wearing a PFD would indicate that PFDs have no effect on survival rate.
Getting data on those who were saved while wearing a PFD after falling overboard would be a definitive data point. That might be hard data to come by.
I read it as 11% died while still wearing a PFD.
Hypothermia got 'em is my "guess".