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Table 3 Growth outcomes and human milk fortification, >75% human milk diet group

From: Growth in VLBW infants fed predominantly fortified maternal and donor human milk diets: a retrospective cohort study

  Subgroup by type of human milk  p value all 3 groups  p value > 75% DM vs. >75% MM
  >75% DMn = 23 >75% MMn = 51 Mixed MM/DMn = 14  
Birthweight, g, median (IQR) 868 993 769   
  (643, 997) (767, 1100) (694, 822) 0.07 0.22
Birthweight z-score, median, (IQR) −0.41 −0.49 −0.14   
  (−0.99, -0.03) (−0.90, 0.48) (−0.66, 0.35) 0.74 0.66
Discharge weight, g median (IQR) 2330 2710 2875   
  (2070, 2720) (2480, 3050) (2500, 3200) 0.07 0.09
Discharge weight z-score median (IQR) −1.36 −1.04 −0.68   
  (−1.83, -0.48) (−1.43, -0.26) (−1.2, -0.17) 0.24 0.16
SGA at discharge n (%) 13 (56) 18 (35) 3 (21) 0.08 0.13
Protein fortification, highest level used n (%)      
2.0-2.3 g/dl 3 (13) 10 (20) 1 (7)   
2.4-2.65 g/dl 13 (57) 27 (53) 8 (57)   
2.5-2.7 g/dl 7 (30) 14 (27) 5 (36) 0.82 1
Discharge head circumference, cm 32 33.5 33.25 0.23 0.10
(n = 56) median (IQR) (31.5, 33.5) (32.5, 34.75) (32.25, 34.25)   
Discharge head −0.7 −0.4 −0.9   
circumference z-score median (IQR) (−1.4, -0.2) (−1, 0.4) (−1.15, -0.25) 0.11 0.10
Change in weight z-score, birth to discharge median (IQR) −0.84 (−1.09, -0.25) −0.56 (−0.89, -0.03) −0.45 (−1.20, -0.15) 0.54 0.28