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Table 1 Patient characteristics and factors associated with secondary surgery of neurolysis, direct repair, nerve grafting

From: Obesity status is a risk factor for secondary surgery after neurolysis, direct nerve repair or nerve grafting in traumatic brachial plexus injury: a retrospective cohort study

Characteristic

 

Secondary surgery

P Value

All patients

Yes

No

(n = 57)

(n = 9)

(n = 48)

Age, median (SD), y

39 (16)

40 (18)

38 (16)

0.66

Sex, n(%)

   

0.11

 Men

40 (70)

4 (44)

36 (75)

 

 Women

17 (30)

5 (56)

12 (25)

 

Race, n(%)

   

0.74

 White

43 (75)

8 (89)

35 (73)

 

 Black

6 (11)

1 (11)

5 (10)

 

 Hispatic

1 (2)

0 (0)

1 (2)

 

 Unknown

7 (12)

0 (0)

7 (15)

 

Smoking, n(%)a

   

0.61

 Yes

8 (17)

2 (25)

6 (16)

 

 No

38 (83)

6 (75)

32 (84)

 

Obesity, n(%)b

   

0.007*

 Yes

11 (25)

5 (71)

6 (16)

 

 No

33 (75)

2 (29)

31 (84)

 

Mechanism, n(%)

   

0.64

 Traction

50 (88)

9 (100)

41 (85)

 

 Gunshot

1 (2)

0 (0)

1 (2)

 

 Cut

6 (10)

0 (0)

6 (13)

 

High energy injuryc, n(%)

   

0.72

 Yes

32 (56)

6 (67)

26 (54)

 

 No

25 (44)

3 (33)

22 (46)

 

Initial pattern, n(%)

   

> 0.99

 C5-C6+/−C7

25 (44)

4 (45)

21 (44)

 

 C8-T1

10 (17)

1 (10)

9 (19)

 

 C5-T1

22 (39)

4 (45)

18 (37)

 

Associated clavicle fracture, n(%)

   

> 0.99

 Yes

13 (23)

2 (22)

11 (23)

 

 No

44 (77)

7 (78)

37 (77)

 

Associated shoulder dislocation, n(%)

   

> 0.99

 Yes

5 (9)

1 (11)

4 (8)

 

 No

52 (91)

8 (89)

44 (92)

 

Surgical method, n(%)

   

0.82

 Neurolysis

39 (69)

6 (67)

33 (69)

 

 Nerve grafting

15 (26)

3 (33)

12 (25)

 

 Direct repair

3 (5)

0 (0)

3 (6)

 

Time to surgery, median (IQR), m

6 (2–10)

10 (8–15)

5 (2–7)

0.05

  1. an = 46; bn = 44,cHigh energy injury = MVA, severe laceration, falls from a tree, *P value< 0.05