Study on the neuroimmune regulatory mechanism of electroacupuncture at Zusanli acupoint for postoperative intestinal paralysis after gastrointestinal surgery

Table 1 Comparison of general data between the two groups

Group	n	Sex		Age (year, mean ± SD)	Abdominal surgical approach		ASA
		Male	Female		Radical resection of colorectal cancer	Radical operation for carcinoma of stomach	II	III
Control	75	42	33	58.61 ± 4.68	48	27	51	24
Electroacupuncture	75	45	30	58.88 ± 4.72	50	25	53	22
χ2/t value		0.246		0.273	0.118		0.125
P value		0.620		0.786	0.731		0.723

ASA: American Society of Anesthesiologists.