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Demographics of subjects selected for the study (Mean ± S.E)
| Placebo | Morphine | |
|---|---|---|
| Number of Subjects | 25 | 17 |
| Gender (M/F) | 6/19 | 8/9 |
| Age | 66.2 ± 1.8 | 64.0 ± 2.1 |
| BMI (kg/m2) | 32.2 ± 1.1 | 31.2 ± 1.3 |
| History of Mood Disorders (Depression and/or Anxiety) | 8 | 7 |
| Preoperative Opioid Use | 5 | 1 |
