Table 2. Anesthetic and Surgical Data in the Open Gastrectomy (OG) and Laparoscopic Gastrectomy (LG) Groups.

	OG group (n = 63)	LG Group (n = 60)	P value
Duration of surgery (min)	146.3 ± 34.9	141.3 ± 37.8	0.446
Duration of anesthesia (min)	183.4 ± 35.2	179.2 ± 44.8	0.556
EBL (ml)	207.1 ± 178.2	111.2 ± 58.9	< 0.001*
Total time when BIS < 40 (min)	19.8 ± 26.3	22.6 ± 32.7	0.601
MAC-hours	2.6 ± 0.8	2.4 ± 0.8	0.187

Data are expressed as the means ± SD or number. EBL: estimated blood loss, BIS: bispectral index, MAC: minimum alveolar concentration. ^*Statistically significant difference (P < 0.05).