Table 6.

Rate of catch-up growth in the different GA groups (%, n/N)

	SGA	AGA	p
Weight
0–6 Mon	47.7(42/88)	23.6(144/610)	< 0.01*
0–12 Mon	43.3(39/90)	19.6(122/623)	< 0.01*
Length
0–6 Mon	54.5(48/88)	24.9(152/610)	< 0.01*
0–12 Mon	55.5(50/90)	23.4(158/623)	< 0.01*
HC
0–6 Mon	28.4(25/88)	10.3(63/610)	< 0.01*
0–12 Mon	33.3(30/90)	12(75/623)	< 0.01*

Mon: Months; GA: gestational age HC: head circumference; SGA, Small-for-gestational age (birth weight below 10th); AGA: appropriate-for-gestational age (birth weight between 10th and 90th). Catch-up growth: a change in the Z-score > 0.67 between two time points. *: statistically significant