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Table 3 Comparison of Quality of Life Parameters

From: Clinical application of the C2 pars screw technique in the treatment of ossification of the posterior longitudinal ligament

 

Pedicle group

Pars group

p-value

JOA (score)

 Pre

10.09 ± 1.59

10.18 ± 1.47

0.7172

 F/U

13.74 ± 1.48

13.82 ± 1.88

0.5702

 Pre vs F/U

< 0.0014

< 0.0014

 

RR (%)

52.37 ± 24.29%

54.98 ± 21.39%

0.5582

RR classification (N)

  

0.8963

 Excellent

3

3

 

 Good

11

9

 

 Fair

6

4

 

 Poor

3

1

 

VAS in neck (score)

 Pre

3.87 ± 1.18

3.59 ± 0.94

0.6712

 F/U

2.43 ± 1.27

2.82 ± 1.24

0.3401

 Pre vs F/U

< 0.0014

< 0.0014

 

Incidence of axial pain

30.4%

29.4%

1.0005

NDI (score)

 Pre

19.17 ± 4.69

20.18 ± 5.51

0.6802

 F/U

12.22 ± 3.49

11.94 ± 3.94

0.9892

 Pre vs F/U

< 0.0014

< 0.0014

 
  1. Pre Preoperative, F/U Follow up, JOA Japanese Orthopaedic Association, RR Recovery Rate, VAS Visual analog scale, NDI Neck disability index
  2. 1Independent t-test
  3. 2Mann-Whitney U test
  4. 3Fisher’s Exact test
  5. 4Wilcoxon Signed Ranks test
  6. 5Continuity correction test