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Table 1 Patient characteristics

From: Bridging the cervicothoracic junction during posterior cervical laminectomy and fusion for the treatment of multilevel cervical ossification of the posterior longitudinal ligament: a retrospective case series

Characteristics

Value

Number of patients

46

Age (years)

55.4 ± 7.4

Gender

 Male

38

 Female

8

 Symptomatic duration (months)

34.9 ± 12.3

 High-intensity signal on T2WI-MRI

12

Type of OPLL

 Local

0

 Segmental

5

 Continuous

27

 Mixed

14

Occupying ratio of OPLL

  < 60%

36

  ≥ 60%

10

K-line

 ( +)

31

 (-)

15

 Follow-up (month)

20.7 ± 8.3

 Operation time (minute)

205.2 ± 39.8

 Blood loss (ml)

352.2 ± 143.7

  1. OPLL Ossification of the posterior longitudinal ligament