Effect of clonidine on the cutaneous silent period during spinal anesthesia

Table 1 Patient and clinical data (n = 30, mean ± SD), n (%)

Patient data, duration of surgery	Group
	Levobupivacaine (n = 30)	Levobupivacaine + Clonidine (n = 30)
Age (yr), mean ± SD	43.5 ± 9.2	46.7 ± 10.3
BMI (kg /m2), mean ± SD	23.3 ± 0.9	23.5 ± 0.5
Male gender	26 (86.7)	26 (86.7)
Female gender	4 (13.3)	4 (13.3)
ASA PS 2	10 (33.3)	8 (26.7)
Hypertension	3 (10.0)	4 (13.3)
Hernia localization, left side	17 (56.7)	16 (53.3)
Duration of surgery (min), mean ± SD	61.2 ± 12.9	62.8 ± 20.6

ASA PS: American Society of Anesthesiologists physical status; BMI: Body mass index.