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Table 3 Pearson’s coefficients between radiographic parameters and PFT results after traction (n = 30)

From: Clinical efficacy of short-term pre-operative halo-pelvic traction in the treatment of severe spinal deformities complicated with respiratory dysfunction

 

Major Cobb

Kyphosis Cobb

Coefficient

p value

Coefficient

p value

FVC

−0.253

0.052

0.158

0.224

FVC %

−0.240

0.063

0.141

0.276

FEV1

−0.234

0.076

0.211

0.104

FEV1%

−0.245

0.193

0.160

0.218

  1. : The improvements in the PFT results. For example, FVC means the improvement of FVC in post-traction compared with that in pre-traction