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Table 1 Characteristics of the patients

From: A prospective, double-blind, randomized controlled trial of treatment of atlantoaxial instability with C1 posterior arches >4 mm by comparing C1 pedicle with lateral mass screws fixation

 

Group A

Group B

P value

Number of patients (n)

67

73

 

Sex (M/F)

43/24

45/28

0.812

Age (years)

43.9 ± 8.2

45.2 ± 8.7

0.366

Mean body mass index (kg/m2)

24.2 ± 3.0

24.5 ± 2.7

0.535

JOA score

7.1 ± 1.4

7.3 ± 1.8

0.467

VAS score

6.0 ± 1.3

5.7 ± 1.1

0.142

Mean follow-up(months)

24.8 ± 13.6

24.4 ± 11.8

0.853

  1. JOA, Japanese Orthopaedic Association; VAS, visual analog scale
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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