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. 2017 Jan 3;88(1):52–56. doi: 10.1212/WNL.0000000000003461

Figure 2. Institutional practice variability was prominent.

Figure 2

The prevalence of levetiracetam use increased at each of the 4 institutions in the city during the study period, but varied with both the year and the institution (interaction p = 0.006).