Risk factors and nomogram for predicting delayed gastrointestinal recovery after radical gastrectomy

Table 5 Univariate logistic regression analysis of factors influencing delayed gastrointestinal recovery

Variable	β	SE	Wald χ2	OR	95%CI	P value
Female gender	0.574	0.266	4.662	1.78	1.06-2.98	0.031
Age ≥ 65 years	0.612	0.265	5.338	1.84	1.10-3.09	0.021
Underweight	0.761	0.33	5.322	2.14	1.12-4.09	0.021
Diabetes	0.648	0.296	4.789	1.91	1.07-3.42	0.029
ASA grade III	0.803	0.272	8.721	2.23	1.31-3.81	0.003
Preoperative anemia	0.643	0.278	5.344	1.9	1.10-3.29	0.021
Preoperative hypoalbuminemia	0.852	0.283	9.07	2.34	1.35-4.07	0.003
Maximum tumor diameter ≥ 5 cm	0.573	0.264	4.705	1.77	1.06-2.97	0.03
Poorly/undifferentiated	0.689	0.274	6.319	1.99	1.16-3.41	0.012
TNM stage III	0.774	0.266	8.475	2.17	1.29-3.65	0.004
Proximal subtotal gastrectomy	0.512	0.335	2.337	1.67	0.87-3.21	0.126
Total gastrectomy	1.085	0.288	14.189	2.96	1.68-5.21	< 0.001
Open surgery	0.685	0.266	6.638	1.98	1.18-3.34	0.01
Operative time ≥ 240 minute	0.692	0.267	6.723	2	1.18-3.38	0.01
Intraoperative blood loss ≥ 200 mL	0.721	0.268	7.233	2.06	1.22-3.48	0.007
D2 Lymph node dissection	0.598	0.346	2.988	1.82	0.92-3.59	0.084
Combined organ resection	0.826	0.311	7.048	2.28	1.24-4.20	0.008
Billroth II	0.186	0.398	0.219	1.2	0.55-2.64	0.64
Roux-en-Y (gastrojejunal)	0.445	0.368	1.463	1.56	0.76-3.21	0.226
Esophagogastric anastomosis	0.291	0.428	0.462	1.34	0.58-3.10	0.497
Esophagojejunal (Roux-en-Y)	1.092	0.398	7.524	2.98	1.37-6.49	0.006

ASA: American Society of Anesthesiologists.