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Table 2 Clinical and radiological results of patients

From: A novel revision surgery for treatment of cervical ossification of the posterior longitudinal ligament after initial posterior surgery: preliminary clinical investigation of anterior controllable antidisplacement and fusion

Item

Value

JOA

 Before surgery

8.7 ± 2.8 (5–14)

 After surgery

13.4 ± 2.4 (9–16)*

NDI

 Before surgery

24.4 ± 10.0 (10–40)

 After surgery

13.3 ± 3.7 (8–20)*

VAS

 Before surgery

4.5 ± 1.6 (2–7)

 After surgery

2.0 ± 1.6 (0–5)*

Cervical lordosis (°)

 Before surgery

3.8 ± 4.3 (− 7.6 to − 15)

 After surgery

17 ± 4.6 (16 to 27)*

  1. JOA Japanese Orthopaedic Association scores, VAS visual analog score, NDI Neck Disability Index
  2. Values are expressed as the mean ± SD (range)
  3. *P < 0.05, compared with the data before surgery