64
Participants
Start Date
February 3, 2015
Primary Completion Date
November 5, 2016
Study Completion Date
November 5, 2016
Pain-related evoked potentials (PREP)
PREP were performed bilaterally with a concentric surface electrode at twice the individual pain threshold.
Quantitative Sensory Testing (QST)
QST was performed bilaterally following the protocol of the German Network on Neuropathic Pain.
Nerve conduction studies (NCS)
NCS were performed with patients only.
Ruhr University of Bochum
OTHER