A screenshot of a presentation slide titled "Outcome Metrics in Epidemic Migraine". The slide has a white background with black text. The title of the slide is written in bold letters at the top. Below the title there is a table with three columns. The first column is labeled "NNT" the second column is titled "NNH" and the third column is numbered "LHH". The table has three rows each representing a different outcome metric. The table is divided into three columns - NNT NNH and LHH. The NNT column has a value of 1000 the NNH column has the value of 22 and the LHH column has two values of 166.7. At the bottom of the table there are two columns labeled "Vo Wen Martel Mitsikostas router flatt AAN 2017 Boston". The table also has a legend at the bottom that explains the meaning of each metric.
Description 
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Category
Source 1 of 2
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Date
2018
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Date
2018
Collection
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