ko pathway ratio_in_study ratio_in_pop p_value ko04744 Phototransduction 3/15 36/7206 5.00072224515e-05 ko04727 GABAergic synapse 2/15 110/7206 0.0212995010101 ko05032 Morphine addiction 2/15 110/7206 0.0212995010101 ko00900 Terpenoid backbone biosynthesis 1/15 24/7206 0.0488566633116