Neuropad is a reliable diagnostic tool for both CAN and DPN, albeit of only moderate accuracy. Extending the observation period to 15 min provides greater diagnostic usefulness.

BMI and sensorimotor deficits were the main determinants of PDPN and, as a novel finding, neuropathic pain intensity was related to the degree of neuropathy deficits. Thus, some peculiarity exists in metabolic correlates of diabetic neuropathic pain compared to insensate neuropathy but painfulness can still coexist with insensitivity.

OH had only moderate diagnostic accuracy, with high specificity and low sensitivity, for CAN, diagnosed on the basis of heart rate cardiovascular tests, and-as a novel finding-also for nondipping. A different definition of OH did not substantially affect its diagnostic characteristics, with just a slightly greater ability of the 30 mmHg criterion to estimate the probability of CAN and nondipping.

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