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. 2018 Feb 6;3(1):e636. doi: 10.1097/PR9.0000000000000636

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Copyright © 2018 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of The International Association for the Study of Pain.

This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Spaghetti plot representing the distribution of somatosensory symptoms—face vs thoracic (adjusted). Intensity of sensory symptoms captured with the painDETECT questionnaire in trigeminal postherpetic neuralgia (blue, solid line, n = 277) and in thoracolumbar postherpetic neuralgia (red, broken line, n = 517). Mean + 95% CI. The symptom intensity is represented by the patterns of questionnaire scores (adjusted individual mean), thus showing the typical pathological structure of the respecting group. Sensory profiles show remarkable differences in the expression of the symptoms. Significant differences for burning, allodynia and attacks (thoracolumbar > trigeminal) as well as prickling and numbness (trigemial > thoracolumbar). ALD, allodynia; ATT, attacks; BUR, burning; CI, confidence interval; NMB, numbness; PRI, prickling; PRS, pressure; TRM, thermal.