TABLE 3.

Co-occurring defects among cases with non-syndromic omphalocele (N = 404) ordered by frequency, Texas Birth Defects Registry, 1999–2014

Defecta	No. of cases	Percent co-occurrence with non-syndromic omphalocele
Ostium secundum type atrial septal defect	120	29.7
Ventricular septal defect	73	18.1
Obstructive defects of renal pelvis and ureter	40	9.9
Atresia and stenosis of large intestine rectum and anal canal	30	7.4
Other deformities of feet (e.g., clubfoot, NOSb)	26	6.4
Other specified anomalies of the heart (e.g., ventricular septal thickening)	24	5.9
Anomalies of spine	23	5.7
Anomalies of diaphragm	22	5.4
Other anomalies of aorta (e.g., narrowing of aorta)	22	5.4
Spina bifida	20	5.0
Other anomalies of ribs and sternum (e.g., less than 12 rib pairs)	17	4.2
Atresia and stenosis of small intestine	17	4.2
Other anomalies of intestine (e.g., short colon)	17	4.2
Renal agenesis and dysgenesis	16	4.0
Disorder of sexual development	15	3.7
Anomalies of intestinal fixation	15	3.7
Tetralogy of Fallot	15	3.7
Anomalies of great veins	15	3.7
Other unspecified anomalies of face and neck (e.g., microstomia)	14	3.5
Microcephalus	14	3.5
Anomalies of pulmonary artery	13	3.2
Persistent omphalomesenteric duct	12	3.0
Anomalies of gallbladder bile ducts and liver	12	3.0
Cleft lip with or without cleft palate	12	3.0
Anencephalus	11	2.7

^aFull range of BPA codes is listed in Table S2.

^bNOS, not otherwise specified.