[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 2

Changes in the total ODI and BPI scores.

	Initial	1 week after the therapy	value
ODI	25.69 ± 7.98	21.80 ± 9.41	0.000
BPI	68.96 ± 18.00	61.62 ± 20.27	0.000
Residual pain	100	76.15 ± 4.21	0.000

Values are presented as mean ± standard deviation. ODI, Oswestry Disability Index; BPI, Brief Pain Inventory. , comparing initial scores with scores a week after therapy via the Wilcoxon signed rank test.