Table 3.

Frequency of Diabetic Neuropathy according to Used Method, Age, and Time of Evolution in 70 Cases

Nervous conduction	No. (%)	Average age	Time of evolution
Altered	13 (19%)a	61 yearsb	18 months
Normal	57 (81%)	52 yearsb	13 months
Thermal threshold	No. (%)	Average age in years	Time of evolution
Altered	30 (43%)a	56 years	15 months
Normal	40 (57%)	52 years	12 months

^ap < 0.001 (CI 95%: 0.31–0.54 vs 0.09–0.28).

^bp < 0.001