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Table 1 Demographics of total ankle arthroplasty patients with and without neurologic Injuries

From: Neurologic injuries after primary total ankle arthroplasty: prevalence and effect on outcomes

 

With neurologic injury (N = 23)

Without neurologic injury (N = 127)

p-value*

RR (95 % CI)

Sex, male/female, n

13/10

78/49

0.495

0.98

Age, y

62.7 ± 10.5

61.1 ± 12.5

0.48

0.89

BMI*, kg/m2

24.5 ± 2.4

25.6 ± 3.2

0.130

0.99

Preoperative diagnosis, n

    

Primary osteoarthritis

6

59

0.004

1.62

Posttraumatic osteoarthritis

16

66

  

Rheumatoid arthritis

1

2

  

Side of operation, Rt/Lt, n

14/9

77/50

0.771

0.74

Duration of ankle pain, m

38.7 ± 4.6

36.5 ± 3.4

0.167

0.84

Follow-up duration, m

44.7 ± 21.4

41.3 ± 21.7

0.767

0.98

  1. BMI body mass index, RR releative risk, 95 % CI 95 % confidence
  2. Values are expressed as mean ± SD unless otherwise indicated
  3. *Independent t-test or Chi-square test. The p-values are of inter-group comparisons. Significance was accepted for p-values less than 0.05