Long term Cognitive outcomes of prematurely born infants: A
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Prematurity constitutes a risk factor for developmental delay in infancy and childhood. This study aims to:
1) Determine long-term cognitive outcome in prematurely delivered children and compare with term-delivered children using WISC-IV and Stroop tests,
2) Examine the relation Denver II, Bayley III and WISC-IV, Stroop tests

The study group consisted of children born prematurely who had been tested with Denver II and Bayley III in their first 2 years, been under follow-up and were evaluated with WISC?IV and Stroop tests 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 less than 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 compared to the control group.

--The study group took longer to complete the Stroop test. Lower socioeconomic status and parental education level were associated with lower verbal comprehension index.

--Denver II and Bayley III test results were related to WISC-IV results but not to the Stroop test results.

The findings concluded that prematurity has a negative effect on the outcomes of the WISCIV and Stroop tests at school level. The Denver II and Bayley III exams, administered at the age of two years, are likely to predict WISCIV outcomes.

Source: https://onlinelibrary.wiley.com/doi/10.1111/ped.14697?af=R
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