Table. 6.

Intra- and intergroup comparison of preT and postT3 MOS and BDI values

MOS and BDI values bTENS (n = 25) cTENS (n = 25) pTENS (n = 23) P valuea
MOS
preT 32.0 ± 6.3 31 (18-45) 30.6 ± 8.2 32 (14-47) 32.6 ± 6.3 33 (18-44) 0.476
postT3 25.4 ± 9.4 25 (11-45) 26.0 ± 10.6 28 (10-48) 28.3 ± 7.9 29 (14-43)
P valueb 0.001 0.003 0.002
BDI
preT 15.4 ± 7.3 16 (3-29) 10.0 ± 6.1 9 (0-26) 10.7 ± 5.5 10 (1-23) 0.283
postT3 14.2 ± 8.5 14 (1-29) 10.7 ± 7.7 11 (0-30) 9.3 ± 6.1 8 (1-26)
P valueb 0.428 0.594 0.160

Values are presented as mean ± standard deviation or median (minimum-maximum).

preT: before treatment, postT3: third month after treatment, MOS: Modified Oswestry Low Back Pain Disability Questionnaire, BDI: Beck Depression Inventory, TENS: transcutaneous electrical nerve stimulation, bTENS: burst TENS, cTENS: conventional TENS, pTENS: placebo TENS.

aKruskal–Wallis test, ANOVA test. bt-test.

Korean J Pain 2021;34:217~228 https://doi.org/10.3344/kjp.2021.34.2.217
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