A Study of the Importance of Clonus Symptoms in Patients with Tramadol Poisoning

Table 2

Tonic-clonic seizure in patients of each group, referred to Imam Reza (AS) Hospital in Mashhad.

	Percentage of patients	CI 99%	value
Group A	74	73–75	<0.003
Group B	20	19–21	<0.01
Group C	0	0