Bear in mind, though, that most people going caving don't do 24 hour long trips per day, more likely a 2 hour sporting trip in any given day and hence the figures should be divided by 12. Thus equating to:1.16 non fatal incidents per year, instead of per month. This assumes you are caving for 2 hours every day of the year!. Review, revise and recalculate according to your own caving habits.
Indeed; or put another way. 8 cavers can each do a weekend trip for a decade and all of them might reasonably expect to avoid any serious incident! * Note this is based on a guessed/recollected NFAR (non-fatal accident rate) of 160/100,000hrs.
as ever, after all the analysis is done, the best advice is to make sure you aren't the one who has the accident. :-)John
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