so heres the formula that gets multiplied by damage taken
https://www.desmos.com/calculator/dfjzz3bc1l

in short neurotrauma effects are nerfed for gunshotwound, anything else would definetely hurt on organ and cyberlimb damage level
for important organ damage it needs >5 calculated damage (its where y meets x) so have a go for yourself and multiply x*y to get the calculated damage