Effect of multimodal opioid-sparing anesthesia on intestinal function and prognosis of elderly patients with hypertension after colorectal cancer surgery

Table 4 Changes in albumin, C-reactive protein (CRP) and white blood cell (WBC) between two groups of patients before and after surgery (mean ± SD)

		A group (n = 36)	B group (n = 36)	t	P
Albumin (g/L)	Preoperative	36.27 ± 3.35	36.62 ± 3.94	-0.403	0.688
Albumin (g/L)	Postoperative	34.61 ± 3.32	31.66 ± 4.47	3.187	0.002
CRP (mg/L)	Preoperative	28.58 ± 13.85	60.62 ± 16.76	-0.633	0.529
CRP (mg/L)	Postoperative	30.56 ± 12.57	77.25 ± 24.51	-3.361	< 0.001
WBC (×10⁹/L)	Preoperative	7.26 ± 1.59	6.76 ± 1.48	1.388	-3.377
WBC (×10⁹/L)	Postoperative	11.20 ± 1.86	13.19 ± 3.00	0.169	< 0.001

A group: multimodal opioid-sparing anesthesia; B group: anesthesia with conventional dosage of opioids; CRP: C-reactive protein; WBC: white blood cell

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