Effects of ulinastatin combined with dexmedetomidine on cognitive dysfunction and emergence agitation in elderly patients who underwent total hip arthroplasty

Table 1 Descriptive statistics of the demographics of patients.

	Dex group (n = 129)	Ulinastatin group (n = 150)	Dex + ulinastatin group (n = 118)	F/χ2	P value
Sex, n				1.240	0.092
Male	62	74	53
Female	67	76	65
Age (yr), mean ± SD	71.72 ± 2.45	71.23 ± 4.91	72.25 ± 2.65	1.217	0.301
Weight (kg), mean ± SD	59.12 ± 6.90	61.21 ± 7.13	59.23 ± 6.18	0.680	0.509
BMI, mean ± SD	24.80 ± 4.69	24.72 ± 5.04	24.90 ± 4.82	1.207	0.304
Intraoperative hypotension, n	8	7	9	2.447	0.099
Marital status, n				0.669	0.095
Single	10	7	6
Married	119	143	112
ASA classification (level III)	5	6	4	0.519	0.082

BMI: Body mass index; ASA classification: American Society of Anesthesiologists classification; Dex: Dexmedetomidine.