Transcutaneous electroacupuncture alleviates postoperative ileus after gastrectomy: A randomized clinical trial

Table 1 Baseline patient characteristic

	TEA (n = 33)	Control (n = 30)	P value
Age (yr)	63.0 ± 9.70	59.0 ± 8.30	0.103
Sex (M/F)	22/11	24/6	0.183
Chronic gastritis	8/25	9/21	0.409
Diabetes	1/32	0/30	0.524
Hypertension	10/23	9/21	0.599
BMI	22.32 ± 3.23	21.85 ± 3.21	0.561
ECOG score (1/2)	27/6	24/6	0.553
Preoperative activity level	1.18 ± 0.392	1.17 ± 0.46	0.888
Preoperative albumin (g/L)	40.70 ± 3.38	40.08 ± 5.09	0.564
Preoperative chemotherapy (Y/N)	2/31	2/28	0.657
Surgery (Open/laparoscopic)	10/23	7/23	0.369
Surgery (Billroth-I/II/Rou-en-Y)	10/11/12	11/13/6	> 0.05
Surgery time (min)	210.79 ± 53.40	213.36 ± 69.12	0.868
pT staging (T0/1/2/3/4)	1/7/14/8/3	0/8/7/10/5	-
pN staging (N0/1/2/3a/3b)	1/7/14/8/3	11/5/4/10/0	-
Nasal enteral nutrition (Y/N)	11/22	9/21	0.496
PCIA/PCEA	32/1	29/1	0.833

TEA: Transcutaneous electroacupuncture; BMI: Body mass index.