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Fig. 2 | BMC Anesthesiology

Fig. 2

From: The beneficial use of ultramicronized palmitoylethanolamide as add-on therapy to Tapentadol in the treatment of low back pain: a pilot study comparing prospective and retrospective observational arms

Fig. 2

Pain intensity evaluation

Visual analog scale (VAS) scores obtained at baseline, during and after 24 weeks in the group treated with um-PEA as add-on to tapentadol (um-PEA-TP group) or with tapentadol only (TP-group). Data are means ± S.E. Both groups showed a significant reduction in low back pain intensity over time (p < 0.0001). A further, significant difference (p < 0.0001) between the two groups was found in favor of the um-PEA-TP group. Statistical analysis were performed with GLMM.

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BMC Anesthesiology

ISSN: 1471-2253

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