Table 2.
Postnatal weight (kg), length/height (cm), and growth velocity in weight (kg/month) and height (cm/month) in preterm, SGA, and AGA children.
| AGA | Preterm | SGA | |
|---|---|---|---|
| Weight, mean (SD) | |||
| Birth | 3.18 (0.35)a | 2.91 (0.44)b | 2.60 (0.30)c |
| 3m | 5.25 (0.68) a | 5.08 (0.75)b | 4.79 (0.70)c |
| 6m | 7.75 (0.93) a | 7.79 (0.92) a | 7.11 (0.81)c |
| 12m | 8.88 (1.02)a | 8.76 (0.98)a | 8.16 (0.96)c |
| 18m | 9.73 (1.05)a | 9.60 (0.98)a | 8.99 (0.96)c |
| 24m | 10.90 (1.15)a | 10.63 (1.08)b | 10.09 (1.06)c |
| 6–7y | 18.96 (3.15)a | 18.87 (2.87)a | 17.79 (3.53)c |
| 10–11y | 30.55 (7.51)a | 31.26 (7.09)a | 28.32 (7.30)c |
| Weight increase (gr), mean (SD) | |||
| Birth -3m | 1.10 (0.26)a | 1.11 (0.24)a | 1.10 (0.27)a |
| 3–6m | 0.50 (0.14)a | 0.54 (0.15)b | 0.47 (0.13)a |
| 6–12m | 0.23 (0.10)a | 0.21 (0.11)b | 0.21 (0.11)a,b |
| 12–18m | 0.15 (0.10)a | 0.16 (0.10)a | 0.14 (0.08)a |
| 18–-24m | 0.17 (0.09)a | 0.14 (0.08)b | 0.16 (0.09)a,b |
| 0–2y | 0.32 (0.44)a | 0.32 (0.43)a,c | 0.31 (0.42)c |
| 2–6/7y | 0.15 (0.05)a | 0.15 (0.03)a | 0.15 (0.05)a |
| 6/7–10/11y | 0.26 (0.11)a | 0.27 (0.11)a,c | 0.24 (0.10)c |
| Length/Height, mean (SD) | |||
| Birth | 49.26 (2.83)a | 48.67 (2.87)a | 47.03 (3.12)c |
| 3m | 57.47 (2.52) a | 56.89 (2.76) b | 56.23 (2.60) b |
| 6m | 67.29 (2.55)a | 66.93 (2.63)a | 65.68 (2.38)c |
| 12m | 72.88 (2.61)a | 72.51 (2.75)a | 71.12 (2.72)c |
| 18m | 77.66 (2.67)a | 77.16 (2.37)a | 75.82 (2.48)c |
| 24m | 83.16 (3.07)a | 82.59 (2.99)a | 81.25 (3.09)c |
| 6–7y | 113.82 (5.15) a | 113.46 (4.76) a,b | 112.20 (5.85) b |
| 10–11y | 135.47 (6.81)a | 135.88 (6.43)a | 133.43 (6.61)c |
| Length/height increase (cm), mean (SD) | |||
| Birth -3m | 4.38 (1.68)a | 4.33 (1.57)a | 4.59 (1.76)a |
| 3–6m | 1.98 (0.46)a | 2.02 (0.50)a | 1.95 (0.49)a |
| 6–12m | 1.16 (0.40)a | 1.16 (0.34)a | 1.11 (0.37)a |
| 12–18m | 0.89 (0.34)a | 0.92 (0.35)a | 0.86 (0.29)a |
| 18–24m | 0.77 (0.26)a | 0.76 (0.28)a | 0.77 (0.29)a |
| 0–2y | 1.40 (0.15)a | 1.40 (0.15)a | 1.41(0.18)a |
| 2–6/7y | 0.59 (0.06)a | 0.59 (0.06)a | 0.59 (0.08)a |
| 6/7y–10/11y | 0.49 (0.07)a | 0.49 (0.08)a | 0.48 (0.08)a |
AGA, appropriate for gestational age; SGA, small for gestational age; SD, Standard deviation. Labeled values in a row without a common superscript letter differ. P < 0.05, using ANOVA test followed by Bonferroni post hoc correction for pair-wise comparison of means.