Table 1.

Sample characteristics.

			MD a
Male	n (%)	685 (59.4%)	0
Pregnancy	n (%)		0
Singleton		1099 (95.2%)
Twins		53 (4.6%)
Triplets		2 (0.2%)
Prenatal diagnosis of EA	n (%)	287 (24.9%)	0
Weight at birth	n (%)	1147 (99%)	7
	mean ± SD	2,498 ± 713.1
Length at birth	n (%)	865 (75%)	28
	mean ± SD	46.7 ± 4.2	9
SGA b (weight or length)	n (%)	118 (17%)	461
SGA for weight		159 (14.1%)	26
SGA for length		78 (9.2%)	304
Birth term (weeks of amenorrhea)	n (%)		23
≥37		670 (59.2%)
32–36		364 (32.2%)
<32		97 (8.6%)
Total with associated abnormality	n (%)	628 (54.4%)	0
Neurologic	n (%)	86 (7.5%)	0
Renal	n (%)	113 (9.8%)	0
Cardiac	n (%)	326 (28.2%)	0
Limbs	n (%)	103 (8.9%)	0
Anorectal	n (%)	109 (9.4%)	0
Genital	n (%)	71 (6.2%)	0
Costovertebral	n (%)	199 (17.2%)	0
VACTERL c or CHARGE d association	n (%)	205 (17.8%)	0
Other syndromic association	n (%)	150 (13%)	0
EAe type	n (%)		18
Type I		89 (7.8%)
Type II		17 (1.5%)
Type III		1002 (88.2%)
Type IV		11 (1%)
Type V		17 (1.5%)
Surgical treatment			38
Esophageal anastomosis	n (%)	1090 (97.7%)
Age at anastomosis (days)	mean ± SD	14.5 ± 52	19
Standard anastomosis	n (%)	1056 (94.6%)
Anastomosis with lengthening artifice	n (%)	34 (3%)
Colic transposition	n (%)	16 (1.4%)
Age at colic transposition (days)	mean ± SD	172.3 ± 113.8	0
Gastric transposition	n (%)	10 (0.9%)
Age at gastric transposition (days)	mean +/ SD	157.2 ± 69.7	0
Anastomotic tension	n (%)	323 (30.7%)	103
Timing of esophageal anastomosis	n (%)		19
Primary ( ≤ 15 days)		944 (88.1%)
Delayed (> 15 days)		127 (11.9%)
Surgical approach	n (%)
Thoracotomy		960 (84.3%)	15
Thoracoscopy		143 (12.9%)	45
Cervicotomy		7 (0.6%)	27
Outcome at 1year of age	n (%)		64
Alive		965 (88%)
Dead		86 (7.8%)
Lost to follow-up		39 (3.6%)

^aMissing data,

^bSmall for Gestational Age,

^cVertebral defects, Anal atresia, Cardiac, Tracheoesophageal fistula, Renal and Limb,

^dColoboma, Heart defect, Atresia choanae, Retarded growth and development, Genital hypoplasia, Ear anomalies,

^eEsophageal atresia.