Table 2. Number of subjects and measurements for height and head circumference of 1,596 Dutch subjects with Trisomy 21, specified by the health categories.

	Subjects				Measurements
	Height		HC1		Height		HC
Health category	Boys	Girls	Boys	Girls	Boys	Girls	Boys	Girls
Healthy	257	167	71	57	1,378	938	202	139
Mild CHD	130	110	49	46	751	661	169	147
Severe CHD	114	155	38	50	738	997	134	187
Other disorders	390	273	140	88	2,970	2,125	443	357
Total	891	705	298	241	5,837	4,721	948	830

Abbreviations: HC – head circumference, CHD – congenital heart defect.

¹Only children born full-term up to the age of 5 years were included.