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Table 1 Demographics and preoperative data in patients with CSM

From: Relationship between developmental canal stenosis and surgical results of anterior decompression and fusion in patients with cervical spondylotic myelopathy

  DCS group Non-DCS group p value
Age (yrs) 61.3 ± 5.6 61.0 ± 7.1 0.74
Sex (Male: Female) 35: 15 41: 31 0.14
Duration of symptoms (mos) 38.4 ± 20.7 34.2 ± 23.6 0.31
FU (yrs) 9.8 ± 2.8 9.1 ± 2.6 0.23
Lordotic angle (°) 8.0 ± 9.9 9.5 ± 15.0 0.54
Minimum AP diameter of cervical canal (mm) 12.0 ± 0.7 14.8 ± 1.1 <0.01
Disc spaces operated (No. of patients)
1 level 15 30 0.40
2 levels 22 28  
3 levels 13 14  
  1. FU indicates follow-up
  2. AP indicates anteroposterior