Assessment of the cardiovascular and gastrointestinal autonomic complications of diabetes

Table 1 Toronto classification of diabetic sensory neuropathy[5]

Definition of minimal criteria for diabetic sensorimotor polyneuropathy	Clinical features
Possible	Reduced sensation, positive neuropathic sensory symptoms (burning pain in the distal lower extremities), symmetrical reduction in distal sensation and/unequivocally decreased or absent ankle reflexes
Probable	A combination of two or more of the following: Neuropathic symptoms, decreased distal sensation, or unequivocally decreased or absent ankle reflexes
Confirmed	Decreased nerve conduction on objective testing with signs and symptoms as above
Subclinical	Decreased nerve conduction on objective testing in the absence of signs or symptoms