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Table 1 Subject characteristics

From: Point-of-care ultrasound estimation of gastric residual volume in preterm infants: development of a calculation model

 

N = 89

Gestational age (weeks)

32.1(30.1–33.4)

Number of days since birth (days)

13(7.5–20.5)

Length at ultrasound investigation (cm)

39.5(37.7–42)

Weight (g)

1510(1290–1760)

Type of milk

 

Milk powder for premature infants

46(51.7%)

Breast milk

18(20.2%)

Special types of milk

25(28.1%)

Respiratory support

 

Mechanical ventilation

0(0%)

Noninvasive ventilation

55(61.8%)

Oxygen inhalation

10(11.2%)

None

24(27%)

Volume of feed provided at last meal (ml)

5 (1–13)

Total milk intake in 24 hours (ml)

50 (12–156)

Feeding interval(h)

2 (2–3)

Duration of last meal provided (min)

1.4 ± 1.1

The number of times enteral feeds were discontinued in 24hours(times)

1.0 ± 1.7

RLD CSA(cm2)

0.6 ± 0.3

  1. CSA, cross-sectional area; RLD, right lateral decubitus