Table 1.

Patient demographic and operative characteristics.

Variables	Control group (n = 30)	SGB group (n = 30)	P value
Age (years)	50.3 ± 6.8	51.4 ± 6.5	0.501
Height (cm)	161.2 ± 3.5	160.5 ± 4.0	0.476
Weight (kg)	59.5 ± 8.2	59.4 ± 5.9	0.943
Site of surgery (left/right)	11/19	13/17	0.598
ASA I/II	13/17	12/18	0.793
Duration of anesthesia (min)	106.7 ± 12.7	103.2 ± 12.6	0.271
Duration of surgery (min)	85.4 ± 13.7	82.2 ± 13.6	0.370

The variables are presented as mean ± SD. SGB, stellate ganglion block; ASA, American Society of Anesthesiologists; SD, standard deviation.