Table 2.

Regression Models (Adjusting for Age, Gender, Body Mass Index, and Minutes of Anesthesia)

	p	Odds ratio (95% CI)	R2 (%)
Intraoperative blood pressure
Systolic mean	0.06	1.34 (0.99–1.82)	10
Systolic median	0.07	1.33 (0.97–1.82)	8
Systolic standard deviation	0.72	1.05 (0.81–1.35)	39
Diastolic mean	<0.05	1.37 (1.01–1.87)	10
Diastolic median	0.06	1.34 (0.98–1.83)	8
Diastolic standard deviation	0.47	1.12 (0.83–1.5)	17
MAP mean	<0.05	1.39 (1.03–1.89)	12
MAP median	0.05	1.36 (1–1.85)	10
MAP standard deviation	0.67	1.06 (0.81–1.39)	30
Intraoperative medications
Propofol induction dose (mg)	0.91	1.01 (0.78–1.32)	36
Propofol induction dose (mg/kg)	0.89	1.02 (0.77–1.35)	26
Fentanyl induction dose (mcg)	0.56	0.91 (0.66–1.25)	5
Fentanyl induction dose (mcg/kg)	0.70	0.94 (0.70–1.28)	13
Total propofol during case (mg)	0.40	1.14 (0.84–1.53)	17
Total propofol during case (mg/kg)	0.37	1.15 (0.85–1.55)	13
Total fentanyl during case (mcg)	0.19	1.23 (0.91–1.67)	12
Total fentanyl during case (mcg/kg)	0.24	1.2 (0.89–1.61)	16
Vasopressor use (Y/N)	<0.05	0.5 (0.25–0.99)	16
Intraoperative fluids
Quantified blood loss (mL)	0.66	1.06 (0.82–1.37)	38
Urine output (mL)	0.77	1.04 (0.79–1.39)	24
Total fluid out (mL)	0.65	1.06 (0.83–1.36)	41
Total crystalloid fluids (mL)	0.08	0.8 (0.62–1.03)	39
Total colloid fluids (mL)	0.14	0.8 (0.58–1.08)	10
Total blood products (mL)	0.25	0.84 (0.62–1.13)	16
Total fluid input (mL)	<0.05	0.76 (0.60–0.98)	42
Fluid balance (mL)	<0.05	0.69 (0.51–0.93)	15
MAC
Age-adjusted MAC average	0.26	1.19 (0.88–1.62)	13
Age-adjusted MAC median	0.19	1.23 (0.90–1.66)	12
Age-adjusted MAC standard deviation	0.23	1.22 (0.88–1.69)	0

CI, confidence interval; MAC, minimum alveolar concentration; MAP, mean arterial pressure.