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Table 1 Patient demographics

From: Utilizing ultrasound in suspected necrotizing enterocolitis with equivocal radiographic findings

N=

54

Gestational age at birth, mean (range), weeks

29.7 (23.0–40.0)

Age at time of AUS, mean (range), days

35.3 (1–159)

Birth weight, mean (range) kg

1.52 (0.45–4.5)

Weight at time of AUS, mean (range), kg

2.0 (0.5–5.50)

Male sex n(%)

34 (63)

Race n(%)

 White

12 (22.2)

 African-American

18 (33.3)

 Asian

7 (13)

 More than one race/unknown

17 (31.5)

Comorbidities n(%)

50 (92.6)

 Prematurity

42 (77.8)

 Patent ductus arteriosus

6 (11.1)

 Intraventricular hemorrhage

6 (11.1)

 Cardiac abnormality

8 (14.8)

 Mechanical Ventilation

26 (48.1)