Effect of dexmedetomidine on intraoperative Surgical Pleth Index in patients undergoing video-assisted thoracoscopic lung lobectomy

Table 1 Patients’ baseline characteristics

	Dexmedetomidine group (n = 46)	Normal saline group (n = 44)	P value
Male/female (n)	17/29	22/22	0.212
ASA I/II (n)	7/39	10/34	0.391
Age (year)	56.78 ± 12.81	60.48 ± 12.58	0.171
Weight (kg)	58.48 ± 10.09	61.77 ± 8.71	0.101
BMI (kg/m²)	22.09 ± 3.22	22.89 ± 2.85	0.217
Duration of surgery (min)	162.37 ± 59.62	159.95 ± 60.59	0.849
Duration of anesthsia (min)	191.35 ± 62.26	203.27 ± 53.41	0.333
Fentanyl used during surgery (mg)	0.49 ± 0.07	0.52 ± 0.08	0.086
Propofol used during surgery (mg)	116.70 ± 20.30	123.75 ± 17.71	0.083
Time of extubation (min)	18.41 ± 11.97	17.59 ± 12.20	0.748
OAA/S	4.41 ± 0.54	4.59 ± 0.54	0.123

Data are presented as mean ± standard deviation or number
ASA American Society of Anesthesiologists, BMI body mass index, OAA/S Observer’s Assessment of Alertness/Sedation