Quantitative sensory testing (QST) outcomes.
COLD
Data show results from the cold pressor task (top) and global QST measures (bottom), as a function of study condition (x-axis). Medication conditions were Placebo + Placebo (Plc + Plc), oral hydromorphone 4 mg + placebo (Hydro + Plc), and hydromorphone 4 mg combined with oral dronabinol 10 mg (Hydro + Drnb). Line that connect bars represents a significant difference in post-hoc comparison and error bars represent SEM.