Table. 1.

Characteristics of 11 enrolled patients with failed back surgery syndrome treated by noninvasive painless signaling therapy

Recruitment number Subgroup Sex Age Spinal surgery Score of PSIs-BPI PPI BDI score
Causes Number T1 T2 T1-T2 % Grade
1 Ineffective Male 68 HLD, SS 2 21 21 0 5 0 15
2 Effective Male 65 SS 3 15 10 5 20 1 13
3 Effective Male 59 HLD 1 14 8 6 40 2 5
4 Effective Female 67 HLD, SS 2 21 15 6 30 1 11
5 Ineffective Female 70 HLD 2 15 13 2 15 0 13
6 Ineffective Male 84 HLD, SS 2 12 11 1 10 0 8
7 Ineffective Female 67 HLD, SS 2 21 21 0 0 0 16
8 Effective Female 70 HLD, SS 2 13 9 4 40 2 7
9 Effective Female 67 SPDL 2 18 13 5 35 1 15
10 Effective Female 70 HLD, SS 2 15 8 7 60 3 13
11 Effective Female 55 HLD 2 22 15 7 80 4 11

HLD: herniated lumbar disc, SS: spinal stenosis, SPDL: spondylolisthesis, PSIs-BPI: pain severity items of Brief Pain Inventory, PPI: percent of pain improvement, BDI: Beck Depression Inventory, T1: baseline time-point, T2: time-point after the 5th treatment session.

Korean J Pain 2021;34:437~446 https://doi.org/10.3344/kjp.2021.34.4.437
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