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. 2022 Jan 10;19(2):735. doi: 10.3390/ijerph19020735

Table 2.

Analysis of covariates of changes in the subjective pain level for each group.

Group Pre-Test
M ± SD		 Post-Test
M ± SD		 Adjusted Post-Test
M ± SE		 F-Value ƞ2
SF-MPQ PTG (n = 19) 6.26 ± 2.31 5.11 ± 2.26 6.23 ± 0.25 6.558 * 0.154
PLSG (n = 20) 8.55 ± 3.56 6.35 ± 3.67 5.23 ± 0.25

Abbreviation. PLSG: personal low-frequency stimulation group, PTG: physical therapy group, SF-MPQ: short-form McGill questionnaire, M: mean, SD: standard deviation, SE: standard error,* p < 0.05 values show statistically significance.