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Table 1 Demographics and baseline characteristics between Polymethylmethacrylate group and autogenous bone group

From: Comparison between two pedicle screw augmentation instrumentations in adult degenerative scoliosis with osteoporosis

  Polymethylmethacrylate Autogenous bone P
Age(years)1 63.14 ± 8.98 58.96 ± 6.64 0.147
BMD(T value)2 2.98 ± 0.36 3.08 ± 0.34 0.938
Gender (n,%)2    
Female 13(92.9%) 12(70.6%) 0.103
Male 1(7.1%) 5(29.4%)  
Smoke (n,%)2    
Yes 11(78.6) 16(94.0%) 0.194
No 3(21.4%) 1(6.0%)  
  1. ^P-values are based on 1chi-square test and 2 independent two samples t test