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Table 2 Anthropometric measurements at each study point in enrolled infants

From: Clinical evaluation of two different protein content formulas fed to full-term healthy infants: a randomized controlled trial

   Formula A group Formula B group Breastfeeding group P
Weight (g) Enrolment 3095.3 ± 333 2999.9 ± 428 2971.8 ± 444 ns
2 months 5341.5 ± 623 5174.1 ± 621 4999.2 ± 651 c: 0.033
4 months 6856.5 ± 832 6685.9 ± 800 6480.9 ± 823 ns
Weight z-score Enrolment −0.32 ± 0.8 − 0.52 ± 1.1 − 0.69 ± 1.0 ns
2 months −0.08 ± 0.7 − 0.35 ± 0.9 − 0.55 ± 0.9 c: 0.033
4 months 0.12 ± 0.9 −0.18 ± 0.9 −0.35 ± 0.9 c: 0.048
Length (cm) Enrolment 49.7 ± 1.9 49.1 ± 2.0 49.1 ± 2.3 ns
2 months 57.1 ± 2.5 56.8 ± 2.8 57.1 ± 2.4 ns
4 months 63.1 ± 2.2 62.5 ± 2.6 62.8 ± 2.4 ns
Length z-score Enrolment −0.38 ± 0.91 −0.51 ± 1.2 −0.55 ± 1.1 a: 0.018
2 months −0.26 ± 1.1 −0.61 ± 1.2 − 0.32 ± 1.1 ns
4 months 0.08 ± 0.9 −0.31 ± 1.1 −0.14 ± 0.9 ns
Head circumference (cm) Enrolment 34.2 ± 1.1 33.9 ± 1.3 34.1 ± 1.1 ns
2 months 39.1 ± 1.4 39.0 ± 1.6 38.2 ± 1.3 b: 0.016
c: 0.009
4 months 41.5 ± 1.5 41.7 ± 1.6 40.8 ± 1.4 b: 0.01
Head circumference z-score Enrolment −0.35 ± 0.8 −0.65 ± 1.0 −0.35 ± 0.9 ns
2 months 0.24 ± 1.0 0.20 ± 1.2 −0.38 ± 0.9 b: 0.034
c: 0.017
4 months 0.50 ± 1.1 0.39 ± 1.0 −0.24 ± 1.0 b: 0.020
c: 0.020
  1. a: formula B group vs. formula A group
  2. b: formula B group vs. breastfeeding group
  3. c: formula A group vs. breastfeeding group
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