Table 1.
Annualized MMEs of opioid analgesicsa distributed per capita, by PDMP implementation status and characteristics: U.S., 1999–2008

The seven most common opioid analgesics are fentanyl, hydrocodone, hydromorphone, meperidine, methadone, morphine, and oxycodone.
MME = morphine milligram equivalent
PDMP = prescription drug monitoring program
SE = standard error