Fig 1.
Flow diagram of participant assessments.
Table 1.
Characteristics of those included and not included when children were eighteen months and age seven years of age.
Table 2.
Key sample characteristics for children at age eighteen months and age seven years.
Fig 2.
Visual depiction of Bayley Scale of Infant Development, second edition, mental development (MDI) and psychomotor development (PDI) index scores differ when corrected and uncorrected for preterm birth.
Table 3.
Differences between scores on developmental tests that are age-standardized according to chronological age, and according to age corrected for preterm birth among children who were born <33 weeks’ gestation.