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Table 2 Types of surgery, n (%)a

From: Pain management after ambulatory surgery: a prospective, multicenter, randomized, double-blinded parallel controlled trial comparing nalbuphine and tramadol

  Total, n Breast Thyroid Hysteroscopy LC Others
Group E 209 27 (12.9) 41 (19.6) 39 (18.7) 91 (43.5) 11 (5.3)
Group C 228 26 (11.4) 45 (19.7) 44 (19.3) 106 (46.5) 7 (3.1)
  1. aReported as n (%), unless indicated otherwise. Group E was treated with nalbuphine hydrochloride diluted with saline to 1 mg/L. Group C was administered tramadol hydrochloride diluted with saline to 10 mg/L. Other surgeries included: lumbar disc exploration, laparoscopic gastric perforation repair, endoscopic sinus surgery, surgical removal of internal fixation of fractured bones.LC, laparoscopic cholecystectomy