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  • The millions of journeys with relatively few deaths is strong evidence that cycling is rarely fatal. The smallish number of deaths means that the actual death rate is still fairly loosly determined, relative to it's size. That makes extimates of future death rates a bit uncertain, but the conclusion that cycling is rarely fatal still holds strongly.

    Split the death stats into catagories and you get even smaller numbers, smaller rates, and greater relative uncertainty. When you compare the rates for different categories, the uncertainty in each rate can easily be bigger than the difference between one rate and another.

    So for the question we are discussing, it is a small sample, and the conclusions not impressively strong, but plenty strong enough in my view to justify action, given the likely costs and benefits of acting or not acting.

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