After 6 weeks of treatment , compared with the PLA group , patients receiving TOP showed the following : ( 1 ) fewer drinking days ( P < 0.05 ) ; ( 2 ) less daily alcohol consumption ( P < 0.05 ) ; ( 3 ) more days of treatment ( P < 0.05 ) ; ( 4 ) reduced levels of craving ( Obsessive-Compulsive Drinking Scale ) and withdrawal symptoms ( Clinical Institute Withdrawal Assessment for Alcohol-Revised ) ; and ( 5 ) improvement of anxiety , depression , and obsessive-compulsive symptom severity ( Symptom Check List 90 Revised ) .