Table 2 Mean weight and length SDS according to etiology

At birth

-0.78 ± 2.88

-1.03 ± 2.57

-1.03 ± 1.26^a

-0.81 ± 1.53^a

3 months

-1.34 ± 1.9

-0.36 ± 1.29

-0.36 ± 1.46^a

-0.65 ± 1.46^a

6 months

0.3 ± 0.53

0.01 ± 1.04

0.01 ± 1.04^a

-0.08 ± 0.91^a

12 months

0.64 ± 1.19

0.48 ± 0.97

-0.48 ± 0.97^a

0.09 ± 1.12^a

18 months

1.33 ± 1.92

0.24 ± 1.07

-0.24 ± 1.07^a

-0.5 ± 1.25^a

2 years

1.54 ± 2.53

0.17 ± 0.81

0.18 ± 0.81^a

-0.43 ± 0.96^a

2.5 years

1.51 ± 2.78

-0.01 ± 0.92

-0.01 ± 0.92^a

-0.09 ± 0.89^a

3 years

0.6 ± 1.8

0.05 ± 0.9

0.05 ± 0.9^a

-0.46 ± 0.42^a