Table 1

Demographics, associated anomalies and presenting features in 305 infants with Hirschsprung's disease

Characteristic
Gestational age (weeks)
 ≥37 weeks86.6 (264)
 <37 weeks12.5 (38)
 Missing1 (3)
Gender
 Male76.7 (234)
 Female23.0 (70)
 Missing0.3 (1)
Ethnicity
 White85.3 (260)
 Non-white13.4 (41)
 Missing1.3 (4)
Birth weight (g)
 ≥250085.3 (260)
 <250011.2 (34)
 Missing3.6 (11)
Positive family history
 Yes8.5 (26)
 No90.2 (275)
 Missing1.3 (4)
Associated anomalies22.6 (69)
 Syndromic association15.4 (47)
 Isolated additional anomaly7.2 (22)
 Missing0.7 (2)
Features at presentation
 Abdominal distension92.8 (283)
 Bilious vomiting66.9 (204)
 Non-bilious vomiting19.3 (59)
 Not opening bowels11.2 (34)
 Poor feeding9.2 (28)
 Suspected enterocolitis9.2 (28)
 Perforation1.6 (5)
 Any other presentation4.9 (15)
Timing of 1st meconium
 <24 hours23.9 (73)
 24–48 hours20.3 (62)
 >48 hours38.4 (117)
 No spontaneous4.6 (14)
 Missing12.8 (39)
  • Note: Figures are percentage and (frequency or range/IQR).