Nomogram for predicting chylous ascites after right colectomy

Table 2 Univariate and multivariate logistic regression models for risk factors of chylous ascites

		Univariate	Multivariate
		P value	OR (95% CI)	P value
Age (yr)		0.449
Sex	Male or female	0.386
BMI (kg/m2)	> 25 vs ≤ 25	0.130
History of abdominal surgery	Absent vs present	0.272
Neoadjuvant therapy	Absent vs present	0.114
ASA score	1 or 2 vs ≥ 3	0.566
Combined organ resection	Absent vs present	0.624
Type of surgery	Standard vs extended	0.015	2.493 (1.097-5.669)	0.029
Surgical approach	Open vs laparoscopy	0.112
Blood loss (mL)		0.492
Operative time (min)		0.028	1.019 (1.001-1.037)	0.041
Number of positive LNs		0.668
Number of LNs retrieved		0.014	1.058 (1.015-1.103)	0.008
Tumor diameter (cm)		0.199
Preoperative albumin		0.228
Preoperative CEA		0.087	0.952 (0.900-1.008)	0.090
Pathological T stage	T0-T2 vs T3-T4	0.243
Pathological N stage	N0 vs N1-N2	0.106
Metastasis	Absent vs present	0.873
Differentiation	w/d, m/d vs p/d	0.784
Lymphovascular Invasion	Absent vs present	0.103
Perineural invasion	Absent vs present	0.665
Administration of somatostatin	Absent vs present	0.048	0.240 (0.078-0.744)	0.013

CA: Chylous ascites; BMI: Body mass index; ASA: American Society of Anesthesiologists; LNs: Lymph nodes; CEA: Carcinoembryonic antigen.