Table. 2.

Comparisons between the effective group and the ineffective group under noninvasive painless signaling therapy

Variable Effective group
(n = 7)
Ineffective group
(n = 4)
P value
Age (yr) 67.0 (6.5) 69.0 (5.8) 0.124
Female 5 (71.4) 2 (50.0) 0.477
BDI score 13.0 (4.0) 13.0 (3.5) 0.292
Score of PSIs-BPI
T1 15.0 (5.0) 18.0 (6.8) 1.000
T2 10.0 (5.5) 17.0 (8.5) 0.105
T1-T2 6.0 (1.5) 0.5 (1.3) 0.008
PPI, % 40.0 (17.5) 7.5 (7.5) 0.008
Grade of PPI 0.027
0 (0-19%) 0 (0.0) 4 (100.0)
1 (20-39%) 3 (42.9) 0 (0.0)
2 (40-59%) 2 (28.6) 0 (0.0)
3 (60-79%) 1 (14.3) 0 (0.0)
4 (80-100%) 1 (14.3) 0 (0.0)

Values are presented as median (interquartile-range) or number (%).

BDI: Beck Depression Inventory, PSIs-BPI: pain severity items of Brief Pain Inventory, T1: baseline time-point, T2: time-point after the 5th treatment session, PPI: percent of pain improvement.

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