Research Article

The Elevated Serum Level of IFN-γ in Patients with Failed Back Surgery Syndrome Remains Unchanged after Spinal Cord Stimulation

Table 3

Clinical response to SCS.

Group 0
(before)
Group 1
(1 month after)
Group 2
(3 months after)
Group 0 vs. group 1
value
Group 1 vs. group 2
value

NRS back
0,0030,033
NRS legs
0,0150,063
PRI
0,0420,041
ODI
0,0210,131
BDI
0,0730,121

NRS: Numeric Rating Scale; PRI: the Pain Rating Index; ODI: the Oswestry Disability Index; BDI: Beck Depression Inventory; Student’s -test for dependent samples with highlighted in bold.