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 |