TABLE 2.
Summary statistics for central tendency of study variable
| Study variables | Mean | Median | Range |
|---|---|---|---|
| Total brain volume (cm3) | 544.9 | 542.2 | 436.8–739.4 |
| Fractional anisotropy (FA) | |||
| Left caudate FA | 0.11 | 0.11 | 0.084–0.136 |
| Right caudate FA | 0.115 | 0.115 | 0.086–0.142 |
| Right‐to‐left caudate FA ratio | 0.961 | 0.961 | 0.716–1.198 |
| Left putamen FA | 0.121 | 0.121 | 0.091–0.146 |
| Right putamen FA | 0.118 | 0.118 | 0.091–1.32 |
| BSID‐III scores | |||
| Scaled scores for cognitive | 10.3 | 10 | 5.0–19.0 |
| Scaled scores for receptive communication | 8.6 | 9 | 2.0–17.0 |
| Scaled scores for expressive communication | 8.9 | 9 | 2.0–16.0 |
| Composite scores for cognitive | 101.4 | 100 | 75.0–145.0 |
| Composite scores for language composite | 92.76 | 94 | 56.00–138.00 |
| Childhood literacy score | 4.265 | 4 | 0–12 |
Abbreviation: BSID‐III, Bayley Scales of Infant and Toddler Development‐3rd Edition.