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

Table 4 Comparison of lung compliance indexes between the two groups of patients, mean ± SD

Index	Group	Before anesthesia induction	5 min after intubation	Intraoperative 30 min	During extubation	3 min after extubation
Lung compliance (mL/cmH2O)	A (n = 83)	46.61 ± 3.71	38.60 ± 3.20	39.19 ± 2.98	41.02 ± 3.20	44.67 ± 2.77
	B (n = 82)	47.03 ± 3.90	36.46 ± 3.43	36.74 ± 3.31	39.36 ± 3.43	42.70 ± 3.28
	t value	-0.709	4.144	4.998	3.215	4.170
	P value	0.479	0.000	0.000	0.002	0.000
Peak inflation pressure (cmH2O)	A (n = 83)	11.30 ± 1.63	13.35 ± 1.80	13.40 ± 1.75	13.11 ± 1.64	12.37 ± 1.58
	B (n = 82)	11.01 ± 1.51	14.40 ± 1.68	14.82 ± 1.89	13.54 ± 1.72	12.78 ± 1.70
	t value	1.185	-3.873	-5.008	-1.644	-1.605
	P value	0.238	0.000	0.000	0.102	0.110