Table 4.

Consumption of volatile anesthetic guided by BIS or Standard practice by gender.

	Male	Female	P
Sevoflurane
BIS (mL/h)	10.8 (9.0–13.6) (n = 596)	10.1 (8.5–12.5) (n = 728)	0.001
Standard practice (mL/h)	11.9(9.4–15.2) (n = 2019)	10.8(8.7–13.6) (n = 1,800)	< 0.001
Desflurane
BIS (mL/h)	17.7 (13.9–21.8)(n = 142)	17.2 (13.4–20.9) (n = 236)	0.437
Standard practice (mL/h)	22.1 (17.0–27.7) (n = 599)	19.0 (15.1–22.8) (n = 593)	< 0.001

Data were expressed as median (25–75% interquartile values).