Table 2.
Morphine milligram equivalents (MME) prescribed for eight mock surgical scenarios.
| Operation | MME: pre-intervention (median, min, max) | MME: post-intervention median, (min, max) | P valuea |
|---|---|---|---|
| Laparoscopic cholecystectomy | 120(0–420) | 140(60–420) | 0.25 |
| Laparoscopic appendectomy | 130(0–420) | 130(0–420) | 0.87 |
| Open inguinal hernia | 120(0–1800) | 240(0–840) | 0.05 |
| Laparoscopic right colectomy | 225(0–2700) | 420(0–1800) | 0.43 |
| Thyroidectomy | 75(0–600) | 140(0–600) | 0.67 |
| Breast lumpectomy without sentinel lymph node biopsy | 140(0–1350) | 130(0–1200) | 0.97 |
| Wide local excision | 0(0 – 600) | 140(0–450) | 0.10 |
| Great saphenous vein ligation and stripping with microphlebectomy | 145(0–1680) | 1100(0–1800) | 0.90 |
a
Intergroup difference was tested by using Wilcoxon rank sum test.