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Table 3 Unadjusted Abuse Risk, Abuse Risk per 100,000 Prescriptions, and Total Number of Prescriptions per 100,000

From: Abuse risks and routes of administration of different prescription opioid compounds and formulations

Compound

Abuse Risk

(+) Abuse Risk

per 100,000 Prescriptions£

Total Number of Prescriptions per 100,000

hydrocodone

0.473

0.0022

585.620

IR oxycodone

0.375

0.0055

211.821

IR fentanyl

0.005

0.0114

1.212

IR hydromorphone

0.072

0.0129

18.433

IR morphine

0.047

0.0220

6.675

IR oxymorphone

0.003

0.0150

0.706

ER oxycodone

0.374

0.0320

37.167

ER fentanyl

0.044

0.0063

22.934

Methadone

0.278

0.0411

20.028

ER morphine

0.091

0.0111

26.059

ER oxymorphone

0.017

0.0177

2.896

  1. £To show the differences in prescription-adjusted risks, it was necessary to round to the 4th decimal place due to the magnitude of the prescription volume for some compounds.