Factors and outcomes leading to postoperative emergency department visits after ureteroneocystostomy

Table 1 Patient demographics and comorbidities for patients with an emergency department visit following ureteroneocystostomy, n (%)/mean ± SD

Patient demographics	Total cohort (n = 1495)	Postoperative ED visit (n = 164)	No Postoperative ED visit (n = 1331)	P value1
Age	1666 ±1208	1605.5 ± 1207	1673.3 ± 1196	0.4974
Male gender	446 (29.8)	55 (33.5)	391 (29.4)	0.2720
Non-Caucasian race	304 (20.3)	38 (23.2)	266 (20.0)	0.9070
Hispanic ethnicity	201 (13.4)	23 (14.0)	178 (13.4)	0.0109
Inpatient	1010 (67.6)	120 (73.2)	890 (65.9)	0.1038
Height	40.2 ± 8.9	39.0 ± 8.3	40.3 ± 8.6	0.4041
Weight	42.0 (24.3)	39.3 (22.5)	42.2 (24.5)	0.0696
Comorbid conditions/past medical history
Ventilator dependent	2 (0.1)	1 (0.6)	1 (0.1)	0.0773
History of asthma	25 (1.7)	5 (3.0)	20 (1.5)	0.1453
Bronchopulmonary dysplasia/chronic lung disease	14 (0.9)	3 (1.8)	11 (0.8)	0.2085
Oxygen support	10 (0.7)	2 (1.2)	8 (0.6)	0.3594
Tracheostomy	2 (0.1)	0 (0.0)	2 (0.1)	0.6195
Structural pulmonary/airway abnormalities	32 (2.1)	7 (4.3)	25 (1.9)	0.0461
Esophageal/gastric/intestinal disease	81 (5.4)	15 (9.1)	66 (5.0)	0.0254
History of cardiac surgery	30 (2.0)	3 (1.8)	27 (2.0)	0.8637
Developmental delay/impaired cognitive status	100 (6.7)	15 (9.1)	85 (6.4)	0.1820
Seizure disorder	17 (1.1)	3 (1.8)	14 (1.1)	0.3758
Cerebral palsy	6 (0.4)	2 (1.2)	4 (0.3)	0.0791
Structural CNS abnormality	65 (4.3)	9 (5.5)	56 (4.2)	0.4482
Neuromuscular disorder	35 (2.3)	7 (4.3)	28 (2.1)	0.0838
Ostomy	71 (4.7)	13 (7.9)	58 (4.4)	0.0427
Congenital malformation	1144 (76.5)	130 (79.3)	1014 (76.2)	0.6228
Childhood malignancy	4 (0.3)	0 (0.0)	4 (0.3)	0.7811
Steroid use (Within 30 days)	6 (0.4)	2 (1.2)	4 (0.3)	0.0791
Nutritional support	30 (2.0)	5 (3.0)	25 (1.9)	0.3133
Hematologic disorder	33 (2.2)	3 (1.8)	30 (2.3)	0.7270

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

ED: Emergency department; CNS: Central nervous system.