The prevalence of PN in diabetes and impaired glucose regulation.

Data are expressed as number (%). For categories with an absolute count of subjects less than five, prevalence or percentage was not provided.IGR, impaired glucose regulation; NGT, normal glucose tolerance; NDS, Neuropathy Deficit Score; NSS, Neuropathy Symptom Score.NDS was graded based on scores as follows: mild (3–5), moderate (6–8), and severe (9–10).NSS was graded based on scores as follows: mild (3–4), moderate (5–6), and severe (7–9).