A longitudinal profiling study using a multimodal battery of measures which included the following: • electrophysiological measures of nerve conduction • parameters of pain, pain interference and symptom severity • somatosensory function and quantitative sensory testing derived sensory phenotype • sleep impairment • mood • pain-related worrying • functional impairment • 76 participants were recruited and completed baseline data; 3 month post-surgical data n=65; 6 month post-surgical data n=61 • QST results for median nerve distribution was compared to a convenience sample on 54 healthy volunteers (QST healthy volunteer study N=106)