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Table 1 Demographic, comorbidity data, and the fusion levels (N = 20)

From: Laminoplasty instead of laminectomy as a decompression method in posterior instrumented fusion for degenerative cervical kyphosis with stenosis

Items N (%)
Age (y/o) (mean ± SD) 67.6 ± 15.2
Gender  
 Male 10 (50)
 Female 10 (50)
Smoking  
 Yes 8 (40)
 No 12 (60)
DM  
 Yes 6 (30)
 No 14 (70)
Osteoporosis  
 Yes 14 (70)
 No 6 (30)
ACF level  
 3 16 (80)
 2 4 (20)
PI level  
 5 (C3-7) 2 (10)
 6 (C2-7) 18 (90)
LP level  
 3 4 (20)
 4 14 (70)
 5 2 (10)
  1. DM diabetes mellitus, ACF anterior cervical fusion, PI posterior instrumentation, LP laminoplasty