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Table 3 Median (range) of VAS scores

From: Comparison of continuous femoral nerve block (CFNB/SA) and continuous femoral nerve block with mini-dose spinal morphine (CFNB/SAMO) for postoperative analgesia after total knee arthroplasty (TKA): a randomized controlled study

  CFNB/SA CFNB/SAMO p-value
(n = 33) (n = 35)
Postoperative hr VAS (1 – 10)  
1 0 (0-2) 0 (constant) 0.14
6 5 (0-10) 3 (0-9) 0.05
12 6 (0-10) 3 (0-7) <0.01
24 5 (0-10) 3 (0-7) <0.01
36 3 (0-10) 2 (0-8) 0.18
48 4 (0-10) 3 (0-7) 0.03
  1. Data are shown as median (min-max)