The Bayley-4 Versus the Bayley-III in Very Preterm Children at 24 Months’ Corrected Age
Elizabeth Hurrion·Peter J. Anderson·Sol Libesman·Samudragupta Bora·Peter S. Cunningham·Paul A. Dawson
OBJECTIVES The Bayley is widely used for developmental assessment of young children. Reports suggest that Bayley-III overestimates scores and underidentifies developmental delay. Hypothesis: Using preterm cohort data, Bayley-4 scores will be lower than Bayley-III, with higher rates of developmental delay. METHODS Data are from the SuPreme Study, a prospective observational cohort of 1601 very preterm infants born 2013–2020. Follow-up included assessment at 24 months corrected age using the Bayle