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Table 2 Clinical Characteristics

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

Operation time (minutes)

133.48 ± 26.22

115.29 ± 28.75

0.0441

LOH (days)

5.87 ± 1.06

5.18 ± 1.19

0.0552

Blood loss (ml)

457.83 ± 145.45

383.53 ± 116.19

0.0392

Screw placement

  

0.4993

 Type I Ideal

42

34

 

 Type II Acceptable

4

0

 

 Type III Unacceptable

0

0

 

% Ideal or Acceptable

91.3%

100%

 

No. of complications (N)

1

1

 

VA injury

0

0

 

Spinal cord injury

0

0

 

Neurologic injury

0

0

 

CSF leakage

1

1

 

Screw looseness/failure

0

0

 
  1. LOH Length of hospitalization at postoperative, VA Vertebral artery, CSF Cerebrospinal fluid
  2. 1Independent t-test
  3. 2Mann-Whitney U test
  4. 3Fisher’s Exact test