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Table 3 The correlation between smoking index and DTI metrics

From: Diffusion tensor imaging of white matter integrity in relation to smoking index and exacerbations in severe chronic obstructive pulmonary disease

 

Smoking index

r

p value

FA

 SLF

− 0.172

0.363

 IOFF

− 0.331

0.074

 UF

− 0.118

0.536

 CING

− 0.286

0.126

 OR

− 0.206

0.274

 GCC

− 0.370

0.044*

 SCC

− 0.449

0.013*

MD

 SLF

0.553

0.002*

 IOFF

0.518

0.003*

 UF

0.474

0.008*

 CING

0.488

0.006*

 OR

0.372

0.043*

 GCC

0.460

0.011*

 SCC

0.474

0.008*

  1. Footnotes: r Pearson correlation
  2. *p value of less than 0.05 was considered significant