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Table 4 Comparison between WPPSI-III test scores of FASSTT Offspring Trial participants with a representative sample of British children

From: Effect of continued folic acid supplementation beyond the first trimester of pregnancy on cognitive performance in the child: a follow-up study from a randomized controlled trial (FASSTT Offspring Trial)

Composite scores UK mean (n = 41) Placebo (n=33) p value Folic acid (n = 37) p value
Verbal IQ 99.07 103.4 0.034 107.7 < 0.001
Performance IQ 98.74 100.6 0.361 104.1 0.035
Processing speed 101.32 103.9 0.373 102.5 0.636
General language 101.85 105.8 0.098 108.9 0.002
Full scale IQ 98.31 103.5 0.017 106.4 0.001
  1. Data presented as mean. The p values refer to data analyzed by a one-sample t test for comparison of placebo and treatment groups with WPPSI-III test scores from a representative sample of British children [32]. Results considered significant when p < 0.05
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