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Table 2 Modified Bromage scale (MBS) at 0, 15, 30, 45 and 60 min

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

MBS 0 min 15 min 30 min 45 min 60 min
CFNB/SA CFNB/SAMO CFNB/SA CFNB/SAMO CFNB/SA CFNB/SAMO CFNB/SA CFNB/SAMO CFNB/SA CFNB/SAMO
(n = 33) (n = 35) (n = 33) (n = 35) (n = 33) (n = 35) (n = 33) (n = 35) (n = 33) (n = 35)
0 - - - - - - - - - -
1 - - 2 (6.06) - 3 (9.09) 1 (2.86) 5 (15.15) 5 (14.29) 7 (21.21) 10 (28.57)
2 7 (21.21) 8 (22.86) 8 (24.24) 16 (45.71) 12 (36.36) 24 (68.57) 20 (60.61) 27 (77.14) 22 (66.67) 24 (68.57)
3 26 (78.79) 27 (77.14) 23 (69.70) 19 (54.29) 18 (54.55) 10 (28.57) 18 (24.24) 3 (8.57) 4 (12.12) 1 (2.86)
p-value 0.87 0.29 0.10 0.27 0.23
  1. The values are expressed as number of patients (percent)
  2. MBS modified bromage scale (0 = no blockade; 1 = for flexion/extension at knee and ankle joint; 2 = no flexion/extension at knee and ankle joint; and 3 = complete blockade)