Table 1.
Characteristics of Brazilian boys and girls with DS from birth to 20 years (n = 938).
| Number of subjects (number of measurements) |
||
|---|---|---|
| Boys | Girls | |
| Age, months | ||
| Birth | 192 (490) | 173 (445) |
| 1–6 | 124 (979) | 110 (990) |
| 7–12 | 104 (667) | 99 (770) |
| 13–18 | 94 (441) | 81 (411) |
| 19–24 | 90 (355) | 74 (309) |
| 25–30 | 85 (263) | 68 (193) |
| 31–36 | 72 (205) | 56 (171) |
| Age, years | ||
| 3–4 | 118 (367) | 103 (337) |
| 5–6 | 99 (282) | 80 (234) |
| 7–8 | 103 (302) | 78 (227) |
| 9–10 | 104 (301) | 79 (219) |
| 11–12 | 102 (296) | 66 (184) |
| 13–14 | 100 (268) | 75 (194) |
| 15–16 | 77 (181) | 56 (154) |
| 17–18 | 66 (144) | 41 (95) |
| 19–20 |
39 (83) |
26 (62) |
| Number of measurements |
Subjects, %e |
|
| Boys |
Girls |
|
| 1 | 42.2 | 37.7 |
| 2–5 | 29.9 | 34 |
| 6–10 | 12.3 | 8.4 |
| 11–20 | 11.6 | 15.5 |
| 21–32 | 4 | 4.4 |
| Infant skin colora | ||
| White | 70.5 | 69.8 |
| Black | 4.3 | 7.7 |
| Gestational ageb | ||
| 33–36 weeks | 16.2 | 13 |
| ≥37 weeks | 39.6 | 50 |
| Comorbidities | ||
| Heart diseasec | 26 | 28.8 |
| Heart surgery | 7.8 | 13.9 |
| Hypothyroidismd | 19.2 | 29.2 |
a
A total of 224 subjects (23.9%) were missing data.
b
A total of 383 subjects (40.9%) were missing data.
c
A total of 217 subjects (23.2%) were missing data.
d
A total of 175 subjects (18.7%) were missing data.
e
Percentage of subjects who were measured on one or more occasion.