Risk factors for postoperative delayed gastric emptying in ovarian cancer treated with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy

Table 3 Univariate analysis of risk factors associated with delayed gastric emptying after cytoreductive surgery and hyperthermic intraperitoneal chemotherapy

Variable	n	DGE		X2	P value
		Yes	No
Age (yr)				2.697	0.101
≥ 70	9	6	3
< 70	68	22	46
BMI (kg/m2)				5.059	0.025
≥ 23	35	8	27
< 23	42	20	22
Pelvic surgery history				4.498	0.034
Yes	62	19	43
No	15	9	6
Comorbidity (DM/HBP)				2.802	0.094
Yes	24	12	12
No	53	16	37
History of chemotherapy				4.334	0.037
≥ 7 cycles	34	8	26
< 7 cycles	43	20	23
CA-125 level				0.990	0.320
Normal (< 35 U/mL)	12	2	10
Elevated (≥ 35 U/mL)	65	25	40
Pleural effusion before surgery				0.359	0.549
Yes	19	8	11
No	58	20	38
PCI				1.967	0.161
≥ 10	52	22	30
< 10	14	2	12
Diaphragmatic invasion				0.717	0.397
Yes	23	10	13
No	54	18	36
Perigastric and gastric dissection				0.648	0.421
Yes	13	6	7
No	64	22	42
Operation time				4.827	0.047
≥ 7 h	65	27	38
7 h	12	1	11
Intraoperative hemorrhage				7.112	0.008
≥ 800 mL	29	16	13
< 800 mL	48	12	36
Anastomosis				3.634	0.057
Yes	53	23	30
No	24	5	19
Number of organs removed				2.495	0.114
≥ 4	27	13	14
< 4	50	15	35
Pleural effusion after surgery				3.667	0.056
Yes	44	20	24
No	33	8	25

DGE: Delayed gastric emptying; PCI: Peritoneal cancer index.