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Table 2 Intensity of pain measured using the VAS scale before surgery (preop) and 6 months after surgery (postop).

From: Anterior cervical discectomy with fusion in patients with cervical disc degeneration: a prospective outcome study of 258 patients (181 fused with autologous bone graft and 77 fused with a PEEK cage)

   

Paired differences

 
    

95% Confidence interval

 

Paired samples

N

Mean

Mean

Lower

Upper

Sig. (two-tailed)

Preop radicular pain

258

7.47

    
   

3.05

2.65

3.45

0.000

Postop radicular pain

258

4.42

    

Preop neck pain

255

6.45

    
   

2.30

1.90

2.71

0.000

Postop neck pain

255

4.15

    

Preop headache

254

3.63

    
   

0.55

0.22

0.89

0.001

Postop headache

254

3.08

    
  1. (Paired sample t-test).
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