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. 2016 Aug 22;16(1):111. doi: 10.1186/s12911-016-0352-x

Table 3.

Characteristics of Controlled Substance Prescribing Encounters, Silent Surveillance 2 (n = 61,747 prescribing encounters)

Characteristic No. (% Prescribing encounters)
Age of patient
  < 18 1552 (2.51 %)
 18-64 45,571 (73.80 %)
 65 14,624 (23.68 %)
Facility type
 ED/Urgent Care 18,267 (29.58 %)
 Inpatient Discharge 4656 (7.54 %)
 Outpatient including phone calls 38,310 (62.04 %)
 Other 514 (0.83 %)
Class of drug
 Opiate 45,165 (73.15 %)
 Benzodiazepine 14,268 (23.11 %)
 Both 2314 (3.75 %)
Number of criteria met (of any combination)
 0 48,164 (78.00 %)
 1 10,517 (17.03 %)
 2 2654 (4.30 %)
 3 369 (0.60 %)
 4 43 (0.07 %)
 5 0 (0.00 %)
Criteria met
 Prescription with >50 % remaining 8358 (13.54 %)
 2+ visits with onsite administration 1208 (1.96 %)
 3+ prescriptions in past 30 days 2873 (4.65 %)
 Positive tox screen 4165 (6.75 %)
  BAC  1444 (2.34 %)
  Cocaine  1248 (2.02 %)
  Marijuana  2440 (3.95 %)
 Previous presentation for overdose 500 (0.81 %)