ko pathway ratio_in_study ratio_in_pop p_value ko04744 Phototransduction 2/23 36/7206 0.00574786094403 ko04726 Serotonergic synapse 3/23 137/7206 0.00901286555075 ko00770 Pantothenate and CoA biosynthesis 1/23 14/7206 0.0438083697879