Autonomic neuropathy in Black diabetic patients.

Seventy adult diabetic patients were assessed for the occurrence of autonomic neuropathy by means of simple clinical tests. Objective evidence of autonomic dysfunction was present in 72%, pure sympathetic dysfunction in 28%, pure parasympathetic dysfunction in 10% and impotence in 57% of patients. Approximately 10% of patients had nocturnal diarrhoea and gustatory sweating.