Characteristic | |
---|---|
Gestational age (weeks) | |
≥37 weeks | 86.6 (264) |
<37 weeks | 12.5 (38) |
Missing | 1 (3) |
Gender | |
Male | 76.7 (234) |
Female | 23.0 (70) |
Missing | 0.3 (1) |
Ethnicity | |
White | 85.3 (260) |
Non-white | 13.4 (41) |
Missing | 1.3 (4) |
Birth weight (g) | |
≥2500 | 85.3 (260) |
<2500 | 11.2 (34) |
Missing | 3.6 (11) |
Positive family history | |
Yes | 8.5 (26) |
No | 90.2 (275) |
Missing | 1.3 (4) |
Associated anomalies | 22.6 (69) |
Syndromic association | 15.4 (47) |
Isolated additional anomaly | 7.2 (22) |
Missing | 0.7 (2) |
Features at presentation | |
Abdominal distension | 92.8 (283) |
Bilious vomiting | 66.9 (204) |
Non-bilious vomiting | 19.3 (59) |
Not opening bowels | 11.2 (34) |
Poor feeding | 9.2 (28) |
Suspected enterocolitis | 9.2 (28) |
Perforation | 1.6 (5) |
Any other presentation | 4.9 (15) |
Timing of 1st meconium | |
<24 hours | 23.9 (73) |
24–48 hours | 20.3 (62) |
>48 hours | 38.4 (117) |
No spontaneous | 4.6 (14) |
Missing | 12.8 (39) |
Note: Figures are percentage and (frequency or range/IQR).