Key result
Surgery for pyloric stenosis before 3 months of age did not significantly affect average ninth-grade test scores compared to matched controls (adjusted difference -0.04; 95% CI -0.09 to 0.08).
Why the study?
Does exposure to surgery and anesthesia for pyloric stenosis before 3 months of age reduce educational performance at ninth grade in children?
Population
15,444 children from the Danish birth cohorts 1986-1990, including 779 who underwent surgery for pyloric…
Comparison
Surgery and anesthesia for pyloric stenosis… vs Randomly selected, age-matched 5% sample of the…
Design
Cohort
Follow-up
Until age 15-16 years (ninth grade)
Authors
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Reassures on average educational outcomes after early pyloric stenosis repair; leaves open subgroup risks for test nonattainment.
Cohort (n=15,444)
Yes
Does exposure to surgery and anesthesia for pyloric stenosis before 3 months of age reduce educational performance at ninth grade in children?
Mean Difference: -0.04 (95% CI -0.09–0.08)
Exposure to surgery and anesthesia for pyloric stenosis before 3 months of age is not associated with lower average educational performance in adolescence, though a subgroup may be at higher risk for test score nonattainment.
Hansen et al. (2013) conducted a cohort in Pyloric stenosis (n=15,444). Surgery and anesthesia for pyloric stenosis before 3 months of age vs. Randomly selected, age-matched sample of the same cohort was evaluated on Average test scores at ninth grade (MD -0.04, 95% CI -0.09 to 0.08). Surgery for pyloric stenosis before 3 months of age did not significantly affect average ninth-grade test scores compared to matched controls (adjusted difference -0.04; 95% CI -0.09 to 0.08).
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