ko pathway ratio_in_study ratio_in_pop p_value ko00515 Mannose type O-glycan biosynthesis 1/5 25/7206 0.0172314598424 ko04080 Neuroactive ligand-receptor interaction 2/5 423/7206 0.0305359993058 ko05033 Nicotine addiction 1/5 56/7206 0.0382677097406 ko05030 Cocaine addiction 1/5 73/7206 0.0496498214628