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. 2017 Jun 6;12:937–947. doi: 10.2147/CIA.S133423

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© 2017 Harvey et al. This work is published and licensed by Dove Medical Press Limited

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Percentages of hypoalgesia calculated with the average pain on the day measured using the pain logbook. The first 2 columns represent hypoalgesia during the week of tDCS treatments (comparing T2 to T1), and the next 2 columns represent hypoalgesia during the 7 days of follow-up (comparing T3 to T1). Each column represents mean ± standard error of mean. *Statistically significant (P<0.05).

Abbreviations: tDCS, transcranial direct current stimulation; T1, baseline; T2, tDCS treatments; T3, follow-up.