Table 2 Demographics of children in longitudinal structural/functional studies
Group | N | Sex (M/F) | Visits | Visits age range (years) | Mean age of visits (years) | Sex distribution of visits (M/F) |
|---|---|---|---|---|---|---|
WS structural | 33 | 11/22 | 76 | 5.7–22.3 | 12.0 ± 4.4 | 23/53 |
TD structural | 94 | 38/56 | 280 | 5.5–22.5 | 12.3 ± 3.2 | 85/195 |
WS functional | 15 | 2/13 | 43 | 7.5–19.8 | 14.4 ± 3.4 | 8/27 |
TD functional | 34 | 19/15 | 66 | 7.8–19.9 | 13.8 ± 3.2 | 35/28 |