Table 5.

Profile of growth deficiency at birth and at the age of diagnosis

Growth measures	Total N	n	Valid %	n	Valid %
Gestational age < 37 weeks	1396	367	26.3	--	--
		≦ third		≦ 10th
Birth length percentile	1170	90	7.6	164	14.0
Birth weight percentile	1387	79	5.7	213	15.4
Postnatal height percentile at diagnosis	1814	201	11.6	443	24.4
Postnatal weight percentile at diagnosis	1814	145	8.0	285	15.7
Height or weight percentile at birth or at diagnosis ≤ 10th percentile	1814	333	18.3	639	35.2
Growth ≦ 10th by age (years) at diagnosis		Height		Weight
0.1–2.9	226	90	39.8	87	38.5
3.0–5.9	420	104	24.8	63	15.0
6.0–12.9	805	155	20.6	98	12.1
13.0–18.9	281	54	19.3	25	8.9
19.0–51.9	82	29	35.8	12	14.8
Among the 639 with height or weight ≦ 10th percentile at birth or at diagnosis		At birth		At diagnosis
Proportion with height deficiency	639	164	38.2	443	69.3
Proportion with weight deficiency	639	213	41.4	285	44.6