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- Title
Long‐term cognitive outcomes of prematurely born infants: A longitudinal follow‐up of Denver II, Bayley III and WISC‐IV Tests.
- Authors
Direk, Meltem Çobanoğulları; Makharoblidze, Khatuna; Sevimli, Eyşan; Çelik, Yalçın; Taşdelen, Bahar; Kömür, Mustafa; Okuyaz, Çetin
- Abstract
Background: Prematurity constitutes a risk factor for developmental delay in infancy and childhood. This study aims to: (i) determine long‐term cognitive outcomes in prematurely delivered children and compare them with term‐delivered children using the WISC‐IV and Stroop tests; (ii) examine the relation between Denver II, Bayley III and WISC‐IV, Stroop tests. Methods: The study group consisted of children born prematurely who had been tested with Denver II and Bayley III in their first 2 years, and had been evaluated with WISC‐IV and Stroop tests under follow up, 6–10 years later. Results: The study group (n = 60, 25 F, 35 M) was 8.0 ± 2.4 (6–10.7) years old when given WISC‐IV and Stroop tests. Gestational age in the study group was 34–37 weeks in 25%, 30–33 weeks in 48.3%, and <29 weeks in 26.7%. On WISC‐IV, the verbal comprehension index, perceptual reasoning index, working memory index, and full‐scale IQ scores were lower in the study group than the control group (P < 0.05). The study group took longer to complete the Stroop test (P < 0.05). Lower socioeconomic status (P = 0.005) and parental education level (P = 0.000) were associated with lower verbal comprehension index scores. Denver II and Bayley III test results were related to WISC‐IV results (P < 0.05) but not to the Stroop test results (P > 0.05). Conclusions: Our results showed prematurity negatively influences the results of WISC‐IV and Stroop tests at school age. Denver II and Bayley III tests applied at age 2 years likely predict WISC‐IV results.
- Subjects
MEMORY; PREMATURE infants; DURATION of pregnancy; COGNITION; GESTATIONAL age; COMPARATIVE studies; SOCIOECONOMIC factors; DENVER Developmental Screening Test
- Publication
Pediatrics International, 2021, Vol 63, Issue 12, p1504
- ISSN
1328-8067
- Publication type
Article
- DOI
10.1111/ped.14697