ko	pathway	ratio_in_study	ratio_in_pop	p_value
ko05033	Nicotine addiction	8/77	56/7206	1.10339945518e-07
ko04728	Dopaminergic synapse	12/77	185/7206	4.9130211393e-07
ko05030	Cocaine addiction	7/77	73/7206	1.11728688812e-05
ko04725	Cholinergic synapse	9/77	160/7206	4.64319668023e-05
ko05032	Morphine addiction	7/77	110/7206	0.000159169279208
ko04721	Synaptic vesicle cycle	6/77	80/7206	0.000196197836776
ko04727	GABAergic synapse	6/77	110/7206	0.00108584588345
ko04921	Oxytocin signaling pathway	8/77	209/7206	0.00165289477331
ko04723	Retrograde endocannabinoid signaling	7/77	175/7206	0.00254133385497
ko05031	Amphetamine addiction	5/77	91/7206	0.00277883238206
ko04080	Neuroactive ligand-receptor interaction	11/77	423/7206	0.00499078352253
ko04010	MAPK signaling pathway	9/77	321/7206	0.00689991626002
ko05412	Arrhythmogenic right ventricular cardiomyopathy (ARVC)	4/77	79/7206	0.00989022562186
ko05034	Alcoholism	7/77	238/7206	0.0132486373706
ko04726	Serotonergic synapse	5/77	137/7206	0.0152880145626
ko00910	Nitrogen metabolism	2/77	19/7206	0.017134532507
ko04930	Type II diabetes mellitus	3/77	54/7206	0.019701287289
ko01051	Biosynthesis of ansamycins	1/77	2/7206	0.0212583661202
ko05012	Parkinson's disease	5/77	155/7206	0.024674437469
ko04024	cAMP signaling pathway	7/77	279/7206	0.0289040620408
ko04964	Proximal tubule bicarbonate reclamation	2/77	29/7206	0.0379898735328
ko05142	Chagas disease (American trypanosomiasis)	4/77	130/7206	0.0499130378175