Prophylactic Norepinephrine Infusion Reduces Postoperative Complications and Hospitalization Time in Elderly Patients Undergoing Posterior Lumbar Spinal Fusion

Table 1

Baseline characteristics of 120 patients undergoing lumbar fusion surgery.

	Control group ()	Norepinephrine group ()	value
Age, years			0.286
Gender, female/	17	20	0.693
BMI, kg/m^2			0.124
ASA level II	35	32	0.713
ASA level III	25	28	0.713
Diabetes mellitus	6	4	0.743
Hypertension	31	26	0.465
COPD	10	13	0.814
Preoperative anemia	4	6	0.743
Anesthesia duration, min			0.064
Operative time, min			0.710

BMI: body mass index; ASA: American Society of Anesthesiologists; COPD: chronic obstructive pulmonary disease.