[Retracted] Effects of Scrambler Therapy in Patients with Failed Back Surgery Syndromes and Factors Associated with Depression Affecting Pain before and after the Therapy

Table 3

Correlation between BDI and other factors.

	r	value
Age	0.210	0.303
Height	−0.052	0.800
Weight	−0.219	0.281
BMI	−0.223	0.273
Treatment duration	−0.422	0.032
Initial ODI	0.796	0.000
Initial BPI	0.744	0.000
Gender		0.730
Type of surgery		1.430

ODI, Oswestry Disability Index; BPI, Brief Pain Inventory; BDI, Beck Depression Inventory. Spearman correlation analysis, Fisher’s exact test, .