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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