Table 3.

Alcohol and/or drugs identified in cases via laboratory testing at time of admittance

Substance	Cases tested N (%)	Cases testing positive N (%)	Cases testing positive who had prescriptions for the identified drug N (%)
Alcohol	269 (44.0)	12 (4.5)	–
Drugs	194 (31.8)	61 (31.4)	–
Benzodiazepines	194 (31.8)	33 (17.0)	16 (48.5)
Opiates	194 (31.8)	30 (15.5)	15 (50.0)

Patients could be tested for the following drugs: amphetamines, barbiturates, benzodiazepines, buprenorphine, cannabis, cocaine, opiates, phencyclidine and propoxyphene. Benzodiazepines and opiates were the only drugs detected among patients tested