Table 2

Patient outcomes (N = 80).

Outcomes N (%)
Surgical technique
 Stand-alone cages35 (43.8%)
 Self-locking stand-alone cages45 (56.2%)
Follow-up, mo, median (IQR)22.5 (12–32.1)
Surgical complications2 (2.5%)
Postoperative dysphagia
 Transient (<1 month)16 (20%)
 Long term4 (5%)
Fusion achieved68 (85%)
Adjacent segment degeneration5 (6.3%)
Subsidence26 (32.5%)
Required new surgery6 (7.5%)
 Pseudoarthrosis/subsidence2 (2.5%)
 Adjacent segment degeneration4 (5%)
Postoperativea Last Evaluationb
Outcome measure
 VAS cervical Pain4.26 (0.001)4.6 (0.147)
 VAS radicular pain3.91 (0.001)4.3 (0.1)
 Myelopathy symptoms (Nurick 1)15 (18.7%)14 (17.5%)
 NDI27.4 (0.001)29.33 (0.07)
 JOA16.97 (0.001)16.95 (0.7)
  • Abbreviations: IQR, interquartile range; JOA, Japanese Orthopaedic Association Scale; NDI, Neck Disability Index; VAS, visual analog scale.

  • Note: Data presented as n (%) unless otherwise indicated. Statistically significant differences are shown in boldface.

  • a Evaluation on first postoperative month; in parenthesis, P value of independent samples t test comparing preoperative evaluation vs postoperative evaluation.

  • b Last follow-up evaluation; in parenthesis, P value of independent samples t test comparing postoperative evaluation vs last follow-up evaluation.