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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)