Table 2

Opioid prescription, use and disposal by procedure during phase I

VariableLaparoscopic appendectomy (n = 33)Laparoscopic cholecystectomy (n = 94)
Postoperative opioids prescribed, no. (%)31 (93.9)94 (100)
Number of pills prescribed, median (IQR)20 (20–30)20 (15–30)
Morphine equivalents prescribed, median (IQR)150 (112.5–150)112.5 (67.5–225)
Patients not using any opioids, no. (%)11 (35.5)34 (36.2)
Number of pills taken, median (IQR)3 (0–7)2 (0–5)
Morphine equivalents taken, median (IQR)22.5 (0–45)9.5 (0–31.5)
Number of pills not taken, median (IQR)19 (13–20)18.5 (10–26)
Morphine equivalents not taken, median (IQR)126 (90–150)95 (14–180)
Patients still taking opioids at postoperative day 7, no. (%)3 (9.1)4 (4.2)
Pain scores (out of 10) at postoperative day 7, median (IQR)3.5 (2–5)4 (3–5)
Satisfaction with analgesia, no. (%)32 (96.7)90 (95.7)
Received education on disposing of unused opioids, no. (%)3 (9.1)7 (7.4)
Disposed unused opioids, no. (%)04 (4.2)
  • IQR = interquartile range.