Table. 5.

Intra- and intergroup comparison of preT and postT3 DN4 scores

DN4 scores bTENS (n = 13) cTENS (n = 14) pTENS (n = 13) P valuea
preT 5.4 ± 1.5 5 (4-8) 5.1 ± 1.3 4 (4-8) 5.0 ± 1.1 5 (4-7) 0.479
postT3 2.5 ± 2.3 2 (0-7) 3.4 ± 2.2 3 (0-7) 3.1 ± 2.1 2 (0-7)
P valueb < 0.001 < 0.001 < 0.001

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

preT: before treatment, postT3: third month after treatment, DN4: Douleur Neuropathique 4 Questions, TENS: transcutaneous electrical nerve stimulation, bTENS: burst TENS, cTENS: conventional TENS, pTENS: placebo TENS.

aKruskal–Wallis test. bt-test.

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