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Table 1 Patient Backgrounds

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

No. of patients

23

17

 

Age (year)

57.04 ± 8.84

58.88 ± 7.75

0.4981

Sex (male/female)

15/8

11/6

0.9732

Type of OPLL

  

1.0003

 Continuous

10

7

 

 Segmental

1

0

 

 Mixed

12

10

 

Smoker (N)

10

7

0.8842

DM (N)

6

3

0.8034

  1. OPLL Ossification of the posterior longitudinal ligament, BMI Body mass index, DM Diabetes mellitus
  2. 1Independent t-test
  3. 2Chi-square test
  4. 3Fisher’s Exact test
  5. 4Continuity Correction test