Table 1 Surgical parameters and complications of patients who underwent an anterior approach or a posterior approach

Operation time (hour)

2.5

2.1

Blood loss (ml)

250

380

C5 palsy

0

2 (recovered in 6 months)

Axial pain

5 (recovered in 1 month)

15 (recovered in 1 month)

Hoarseness

2 (recovered in 3 months)

0

Cerebrospinal fluid leakage

0

3

Looseness of internal fixation

1 (stable in 3 months)

0

Bone healing

All

All