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Table 5 Clinical outcome of both groups assessed by the neck disability index (NDI), visual analogue scale (VAS) and Odom’s criteria

From: Anterior cervical discectomy and fusion: Comparison of titanium and polyetheretherketone cages

Variable TTN (n = 44) PEEK(n = 42) p-value
Final neck VAS-pain 33.01 ± 19.48 36.333 ± 21.28 0.460
(0–100 mm)    
Final arm VAS 23.70 ± 23.78 25.76 ± 26.74 0.759
(0–100 mm)    
Final NDI 16.886 ± 10.24 17.047 ± 9.61 0.940
Odom’s Criteria    0.229
  Excellent 8 5  
  Good 25 22  
  Fair 9 12  
  Poor 2 3  
  Success of surgery 33 (75%) 27(64.3%) 0.395
  (=excellent + good)