Table 2. Characteristics of 12 Chronic Pain Patients Tested in a Study of Markers of Abuse Liability of Short- and Long-Acting Opioids.
| Characteristic | Value |
|---|---|
| Sex, n | |
| Male | 8 |
| Female | 4 |
| Age, y | |
| Median | 46 |
| Range | 35 to 59 |
| Years of Education | |
| Median | 14 |
| Range | 12 to 21 |
| Race | |
| Caucasian | 8 |
| Afro-American | 2 |
| Hispanic | 2 |
| Employment Status, n | |
| Employed | 3 |
| Unemployed | 3 |
| Disabled | 5 |
| Retired | 1 |
| Cause of pain, n | |
| Low Back Pain | 10 |
| Cervicalgia | 1 |
| RSD | 1 |
| Mean (SD) Baseline | 6.4 (2.2) |
| Pain Intensity, VAS measurement Duration of pain, yrs | |
| Mean | 11.3 |
| Range | 0.5 to 37 |