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Table 2 Nutritional characteristics

From: Calorie intake is associated with weight gain during transition phase of nutrition in female extremely low birth weight infants

Nutrition characteristics (N = 95)

Characteristics, mean ± SD or N (%)

p value*

Male (N = 36)

Female (N = 59)

Mean calories (kcal/kg)

103.6 ± 7.2

102.4 ± 7.7

0.46

Mean protein (g/kg)

3.8 ± 0.44

3.7 ± 0.53

0.75

Maternal breastmilk usage

19 (57.5)

40 (67.7)

0.32

Feeding volume fortified to 24 kcal/oz

88 ± 33

94 ± 34

0.42

Day of life transition phase began

11 ± 8

10 ± 6

0.35

Duration of the transition phase

10 ± 3

9 ± 3

0.49

Day of life birthweight regained

9 ± 6

8 ± 6

0.75

  1. *Chi-square test for a categorical variable and independent sample t test/Mann Whitney U test for continuous variables