Abstract
Short-latency somatosensory-evoked potentials (sSEPs) were recorded after median nerve stimulation in 91 patients with diabetes mellitus (DM). Patients were divided into three groups: (1) patients without neuropathy, (2) patients with mild neuropathy, and (3) patients with severe neuropathy. Discriminant analysis was carried out using the three groups as objective values and 26 variables; age, sex, DM type, DM duration, fasted blood sugar, HbA1C, sensory conduction velocity (SCV), N13–N20 interpeak latency, amplitude, latency, and shape of each of the six recorded waves as explanatory variables. Discrimination was statistically significant among the three groups ( F-test, p<0.05). Partial- F values showed that 14 out of 26 measured values were important and that the shape, latency, and amplitude of waves, which correlate to the degenerative process in the nerve tissue, contributed significantly to the discrimination among the three groups.
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