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Table 2 Average NRS scores and opioid consumption during the first 24 h, and time to the first PCA demand

From: Use of ultrasound guided single shot costotransverse block (intertransverse process) in breast cancer surgery: a prospective, randomized, assessor blinded, controlled clinical trial

  CTB (n:35) Control (n:35) P
NRS
 1st Hour 2 (1-2.5) 3 (3-4) <0.001
 3th Hour 3 (2-3) 4 (3-5) <0.001
 6th Hour 3 (2-3) 4 (3-4) 0.046
 12th Hour 3 (2-3) 3 (3-3) 0.328
 24th Hour 2 (0-2) 2 (0-2) 0.898
Cumulative Morphine (mg)
 1st Hour 0 (0-0) 0 (0-1.5) Null
 3th Hour 0 (0-0) 2 (0-3) <0.001
 6th Hour 1 (0-2) 4 (2-5) <0.001
 12th Hour 4 (2-5) 6 (5.5-8) <0.001
 24th Hour 4 (2-6) 7 (6-9) <0.001
Time to First PCA demand (h)
  6 (5.5-8) 3 (2-5) <0.001
  1. Data are expressed as median (percentiles 25–75). p values were italicized and p values that are written in bold represent statistical significance