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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Clin Auton Res. 2020 Nov 10;31(2):263–271. doi: 10.1007/s10286-020-00740-y

Table 3.

Quantitative Sensory Threshold Testing Results

Testing Modality NH CM PoTS-Mig PoTS-NonMig p-value
Light sensitivity threshold, logLux (median; IQR) 2.90; 1.22 1.96; 0.95 1.42; 0.99 1.31; 0.76 0.007†
Mechanical pain thresholds, periorbital, VFH Number
(median; IQR)		 20; 2 17; 6 18; 6 20; 5 0.37†
Mechanical pain thresholds, forearm, VFH Number
(median; IQR)		 20; 0 20; 5 15; 7 17; 7 0.23†

CM, chronic migraine; IQR, inter-quartile range; Mig, migraine; NH, non-headache; NonMig, non-migraine; PoTS, postural tachycardia syndrome; SD, standard deviation; VFH, von Frey hair.

†

Kruskal-Wallis rank sum test (CM vs. PoTS-Mig vs. PoTS-NonMig comparison)