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Table 4 Comparison between actual and assumed daily intakes during the study period

From: The fortification method relying on assumed human milk composition overestimates the actual energy and macronutrient intakes in very preterm infants

Nutrients

Actual daily intake

median (IQR)

Assumed daily intake

median (IQR)

p

Energy (kcal/kg)

113.3 (102.8–123.7)

120.7 (113.6–127.3)

< 0.0001

Protein (g/kg)

4.45 (3.70–5.07)

4.73 (4.09–5.26)

< 0.0001

PER (protein g/100 kcal)

4.2 (3.6–4.7)

4.0 (3.5–4.6)

0.011

Fat (g/kg)

4.96 (4.19–6.00)

5.35 (4.76–5.93)

< 0.0001

Carbohydrates (g/kg)

12.64 (11.63–13.55)

12.71 (12.05–13.29)

0.578

  1. Abbreviations IQR interquartile range, PER protein-to-energy ratio ‡ Wilcoxon signed rank test