Inclusion Criteria:  Persistent Spinal Pain Syndrome Type II (PSPS-T2) Chronic pain as a result of PSPS-T2 that exists for at least 6 months with a pain intensity of at least 4/10 on the Numeric Rating Scale, refractory to conservative treatment. PSPS-T2 patients eligible for subthreshold SCS Age > 18 years Patient has been informed of the study procedures and has given written informed consent Patient willing to comply with study protocol including attending the study visits  Exclusion Criteria:  Expected inability of patients to receive or properly operate the spinal cord stimulation system Evidence of an active psychiatric disorder Suffering from another chronic illness characterised by chronic generalized widespread pain (e.g. rheumatoid arthritis, fibromyalgia, chronic fatigue syndrome, scleroderma). Pregnancy