Table 6

 Dose effect of valproate monotherapy in utero on VIQ in children

n*Mean VIQ95% CI
*Values for those where dose was available.
Mean AED dose in whole pregnancy
    VPS ⩽8001190.780.6 to 101.4
    VPS 801–15002382.074.3 to 89.7
    VPS >1500673.860.2 to 87.4
Mean AED dose in first trimester
    VPS ⩽800688.767.1 to 110.2
    VPS 801–15002181.072.7 to 89.3
    VPS >1500775.963.8 to 87.9
Unexposed group8090.987.2 to 94.6