Table 1.

Preoperative and operative characteristics of patients who did and did not undergo a diverting ileostomy

Variable	No DI (n=287)		DI (n=44)		p
	n	(%)	n	(%)
Age at surgery, yearsa (range)	61 (26–89)		63 (54–91)		.11
BMI, kg/m2a (range)	26.0 (16.3–50.9)		24.5 (19.1–42.7)		.13
Current smoker
No	270	94	41	93	.74
Yes	17	6	3	7
Former smoker
No	180	63	27	61	.86
Yes	107	37	17	39
Hypertension
No	192	67	31	70	.64
Yes	95	33	13	30
Diabetes
No	275	96	38	86	.01
Yes	12	4	6	14
Coronary artery disease
No	284	99	41	93	.03
Yes	3	1	3	7
AACCI group
Low (score 0–1)	123	43	15	34	.45
Intermediate (score 2–3)	134	47	25	57
High (score ≥ 4)	30	10	4	9
Stage
II	8	3	3	7	.16
III	205	71	26	59
IV	74	26	15	34
Histology
High-grade serous	238	83	40	91	.37
Low-grade serous	14	5	0	0
Endometrioid	4	1	1	2
Clear Cell	3	1	1	2
Mixed/Other	28	10	2	5
Preoperative CA-125, U/mLa (range)	480 (9–28503)		612 (55–8816)		.73
Preoperative hemoglobin, g/dLa (range)	12.5 (8.6–14.8)		12.1 (8.4–14.9)		.07
Pre-operative albumin, g/dLa (range)	4.1 (2.5–4.9)		4.2 (2.5–4.9)		.52
Ascites, La (range)	1.0 (0.0–13.0)		0.8 (0.0–12.0)		.45
Estimated blood loss, La (range)	1.0 (0.1–5.0)		1.2 (0.5–6.0)		.01
Total intraoperative IV fluids, La (range)	7.7 (1.3–23.7)		9.9 (3.3–19.9)		.04
Operative time, h (range)a	6.2 (2.1–14.9)		8.1 (3.1–12.2)		<.01
Intraoperative complication
No	243	85	32	73	.05
Yes	44	15	12	27
Colon resection, non-rectosigmoid/ descending
No	187	65	26	59	.43
Yes	100	35	18	41
Rectosigmoid/descending colon resection
No	47	16	1	2	.01
Yes	240	84	43	98
Length of rectosigmoid and descending colon resection, cma (range)	15.5 (0.0–53.2)		20.5 (0.0–54.8)		<.01
Total number of colon resections
1	229	80	27	61	<.01
2 or more	58	20	17	39
Total length of colon resection, cma (range)	20.4 (1.5–108.5)		28.5 (6.0–88.0)		<.01
Cytoreductive status
Optimal	263	92	39	89	.57
Suboptimal	24	8	5	11
Residual disease
0 cm	147	51	20	45	.70
0.1–1 cm	116	40	19	43
> 1 cm	24	8	5	11

DI, diverting ileostomy; AACCI, Age-Adjusted Charlson Comorbidity Index

^aMedian