Factors and outcomes leading to postoperative emergency department visits after ureteroneocystostomy

Table 3 Postoperative outcomes for patients with an emergency department visit following ureteroneocystostomy, n (%)/mean ± SD

	Total cohort (n = 1495)	Postoperative ED visit (n = 164)	No postoperative ED visit (n = 1331)		P value1
Operative time
Total operation time (Minutes)	166.5 ± 74.3	181.8 ± 84.2		164.6 ± 72.9	0.0130
Length of hospital stay
Length of stay (Days)	20.3 ± 26.6	22.4 ± 43.0		20.1 ± 23.8	0.5042
Days from operation to discharge (Days)	1.8 ± 1.6	2.1 ± 2.10		1.7 ± 1.47	0.0220
Operative approach
Laparoscopic/MIS	189 (12.6)	16 (9.8)		173 (13.0)	0.2387
Open or N/A	1175 (78.6)	133 (81.1)		1042 (78.3)	0.4078
Laparoscopic/MIS and open	131 (8.8)	15 (9.1)		116 (8.7)	0.8539
Unilateral procedure	692 (46.3)	73 (48.5)		619 (46.5)	0.6392
Bilateral procedure	798 (53.4)	91 (55.5)		707 (53.1)	0.5993
SSI
Superficial incisional SSI	5 (0.3)	3 (1.8)		2 (0.2)	0.0110
Deep incisional SSI	1 (0.1)	1 (0.6)		0 (0.0)	0.1097
Organ space SSI	3 (0.2)	2 (1.2)		1 (0.1)	0.0033
Preoperative/intraoperative urine culture
No bacterial growth	791 (52.9)	82 (50.0)		709 (53.3)	0.4290
Bacterial growth, not UTI	111 (7.4)	14 (8.5)		97 (7.3)	0.5650
Bacterial growth, UTI	76 (5.1)	10 (6.1)		66 (5.0)	0.5311
Postoperative outcomes
Postoperative UTI	48 (3.2)	23 (14.0)		25 (1.9)	< 0.0001
Postoperative sepsis	9 (0.6)	6 (3.7)		3 (0.2)	< 0.0001
Postoperative septic shock	1 (0.1)	0 (0.0)		1 (0.1)	0.7256
Readmission	75 (5.0)	52 (31.7)		23 (1.7)	< 0.0001
Progressive renal insufficiency	5 (0.3)	2 (1.2)		3 (0.2)	0.0375
Unplanned reoperation	23 (1.5)	12 (7.3)		11 (0.8)	< 0.0001
Blood transfusion	4 (0.3)	2 (1.2)		2 (0.2)	0.0124
Ureteral stent/catheter	752 (50.3)	95 (57.9)		657 (49.4)	0.1410
Unplanned procedure related to anti-reflux procedure	36 (2.4)	22 (13.4)		14 (1.1)	< 0.0001
Unplanned urinary catheter (Intermittent or Indwelling)	45 (3.0)	29 (17.7)		16 (1.2)	< 0.0001

¹The P value represents tests for significant variation from χ² analysis of categorical variables, t-test for continuous factors with equal variance.

MIS: Minimally invasive surgery; SSI: Surgical site infection; UTI: Urinary tract Infection; ED: Emergency department.