Table 1

Summary of the clinical and surgical data during the study period (N = 95).

Patients With Symptomatic PseudarthrosisAnterior-Only Group
(n = 62)
Posterior-Only Group
(n = 13)
Combined Anterior and Posterior
(n = 20)
Blood loss208 ± 150 mL710 ± 560 mL1070 ± 850 mL
Operation time130 ± 60 min123 ± 68 min193 ± 74 min
Mean lordosis correction8.75 ± 5.4 to 12.6 ± 4.4°10.4 ± 2.3 to 11.7 ± 3.2°8.4 ± 2.3 to 16.6 ± 3.2°
RevisionNo revisionsNo revisions- One retropharyngeal hematoma
- Three cage sinking with kyphosis
VAS improvement,
preoperative to final follow-up
From 7.5 ± 2 to 2.3 ±1.7 (P = 0.001)
NDI Improvement,
preoperative to final follow-up
From 26.4 ± 5 to 8.7 ±3.2 (P = 0.034)
Graft site pain5 patients (5.2%)
Dysphagia3 patients (3.3%)
Follow-up period52 ± 28 mo (minimum 24 and maximum 120 mo)
Time until fusion7.8 ± 2.9 mo (between 6 and 12 mo)
  • NDI, Neck Disability Index; VAS, Visual Analog Scale.