Rehabilitation Research and Practice / 2014 / Article / Tab 2

Clinical Study

Acute Effect of Topical Menthol on Chronic Pain in Slaughterhouse Workers with Carpal Tunnel Syndrome: Triple-Blind, Randomized Placebo-Controlled Trial

Table 2

Changes in arm/hand pain intensity and global rating of change (GROC) following menthol and placebo topical application. Differences of each group are shown on the left and post hoc contrasts between the groups on the right. Values are means (95% confidence interval).

Within-group difference from before to after applicationBetween-group difference
MentholPlaceboMenthol versus placebo value

Pain at hour 1 (0–10)−1.3 (−2.2 to −0.4) −0.1 (−1.0 to 0.8) −1.2 (−2.1 to −0.2) 0.016
Pain at hour 2 (0–10) −1.4 (−2.3 to −0.5)−0.3 (−1.2 to 0.6) −1.1 (−2.0 to −0.1)0.027
Pain at hour 3 (0–10)−1.3 (−2.2 to −0.4) 0.0 (−0.9 to 0.9)−1.3 (−2.2 to −0.3)0.009
GROC (−5 to 5)−1.2 (−2.4 to −0.1) 0.3 (−0.9 to 1.4)−1.5 (−2.9 to −0.1)0.044

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