Table 2.
Drug Condition
|
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---|---|---|---|---|---|---|---|---|---|
Placebo | Naloxone | Morphine | |||||||
| |||||||||
Chronic Pain Measure | Pre-Drug | Post-Drug | Change | Pre-Drug | Post-Drug | Change | Pre-Drug | Post-Drug | Change |
MPQ-Sensory | 5.8±6.07 | 4.8±6.29 | -0.98±2.83a | 6.5±7.12 | 5.3±6.19 | -1.21±2.69b | 6.9±6.88 | 3.9±5.99 | -2.97±4.66a,b |
MPQ-Affective | 1.08±2.04 | 0.7±1.73 | -0.26±1.34 | 1.2±2.07 | 0.8±1.80 | -0.38±1.76 | 1.0±2.05 | 0.6±1.47 | -0.37±1.36 |
VAS Intensity | 33.2±26.82 | 30.4±27.53 | -2.76±9.76a | 34.3±28.86 | 29.4±28.14 | -4.87±10.64b | 38.6±28.94 | 24.2±28.85 | -14.4±16.07a,b |
Note: Negative values for change measures indicate reduced pain post-drug relative to pre-drug. Change values with the same superscript letter denote significant differences in the change scores across drug conditions at P < .05.