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

Egyptian Journal of Radiology and Nuclear Medicine

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

	Number of exacerbations in last year
	r	p value
FA
SLF	0.040	0.832
IOFF	− 0.052	0.786
UF	− 0.020	0.917
CING	− 0.152	0.423
OR	0.053	0.780
GCC	− 0.192	0.309
SCC	− 0.331	0.074
MD
SLF	0.440	0.015*
IOFF	0.395	0.031*
UF	0.379	0.039*
CING	0.375	0.041*
OR	0.183	0.333
GCC	0.350	0.058
SCC	0.376	0.040*