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Table 4 The Correlation between number of exacerbations in last year and DTI metrics

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

 Number of exacerbations in last year
rp value
FA
 SLF0.0400.832
 IOFF− 0.0520.786
 UF− 0.0200.917
 CING− 0.1520.423
 OR0.0530.780
 GCC− 0.1920.309
 SCC− 0.3310.074
MD
 SLF0.4400.015*
 IOFF0.3950.031*
 UF0.3790.039*
 CING0.3750.041*
 OR0.1830.333
 GCC0.3500.058
 SCC0.3760.040*
  1. Footnotes: r Pearson correlation
  2. *p value of less than 0.05 was considered significant