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. 2022 Feb 14;79(4):370–379. doi: 10.1001/jamaneurol.2021.5487

Figure 1. Lamotrigine and Levetiracetam Dose-Normalized Concentrations During Pregnancy and the Postpartum Period.

Figure 1.

Boxplots showing lower dose-normalized concentrations during pregnancy and the postpartum period for lamotrigine (A) and levetiracetam (B). The midline of the box plots indicates the median, and the box indicates the 25th and 75th percentiles. Whiskers represent 1.5 times the IQR. Circles represent outliers. The postpartum period and the first trimester were used as comparators.

aP < .001.