Table 3. Frequencies of measurements for height used for plotting the reference curves for Dutch children with Down syndrome, arranged by age and sex.

	Height1
Age (years)	Male	Female	Total
0	474	392	866
1	241	201	442
2	201	147	348
3	178	129	307
4	151	101	252
5	132	96	228
6	117	86	203
7	83	89	172
8	105	66	171
9	86	49	135
10	72	52	124
11	62	46	108
12	68	37	105
13	52	29	81
14	36	28	64
15	31	12	43
16	20	14	34
17	8	6	14
≥18	12	19	31
Total	2129	1599	3728

¹Height measurements of the children categorized as healthy or with only mild CHD (n = 664).

²Head circumference of the children categorized as healthy or with only mild CHD, born at term (n = 223).