Impact of dexmedetomidine-assisted anesthesia in elderly patients undergoing radical resection of colon cancer

Table 1 Comparison of basic data between the two groups of patients

Group	n	Age (year)	BMI(kg/m2)	Gender, n (%)		Years of education	ASA grade, n (%)		Hypertension, n (%)	Diabetes, n (%)
				Male	Female		Grade I	Grade II
A	83	63.8 ± 8.1	22.74 ± 1.86	46 (55.42)	37 (44.58)	5.41 ± 1.60	30 (36.14)	53 (63.86)	29 (34.94)	13 (15.66)
B	82	61.5 ± 7.7	23.10 ± 2.00	40 (48.78)	42 (51.22)	5.10 ± 1.73	39 (47.56)	43 (52.44)	34 (41.46)	18 (21.95)
t/χ2 value		1.869	-1.197	0.729		1.195	2.210		0.744	1.069
P value		0.063	0.233	0.393		0.234	0.137		0.388	0.301

ASA: American Society of Anesthesiologists.