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Table 4 Comparison of postoperative analgesic rescue between ITM groups

From: The use of intrathecal morphine for acute postoperative pain in lower limb arthroplasty surgery: a survey of practice at an academic hospital

Variable 100 mcg ITM, n (%) 29 (43.94)  ≥ 150 mcg ITM, n (%) 37 (56.06) p-value
Rescue analgesia 24 (82. 8%) 23 (62.2%) 0.067
No rescue analgesia 5 (17.2%) 14 (37.8%)
  1. ITM intrathecal morphine