(1) Higher levels of alcohol intake with higher blood alcohol levels.
(2) Longer duration of high alcohol intake.
(3) Intense craving for alcohol.
(4) More severe alcohol dependence.
(5) Prior withdrawal symptoms.
(6) Delay in presenting for treatment and more severe withdrawal symptoms.
(7) Prior detoxification treatment.
(8) Past seizures in withdrawal.
(9) Past DT’s in withdrawal.
(10) Abnormal liver function.
(11) Concurrent acute illness.
(12) Older age.
(13) Use of other drugs.