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To the Editor:
I read the article by Krarup et al.1 with interest. The definition of long-term outcome was only outlined in the abstract. The previous study by Krarup et al.2—the ExStroke Pilot Trial—provided information in the Methods on when the PASE questionnaire was obtained (within 90 days, median 10 days).
The authors appeared to have followed the subjects at earlier time intervals, yet it would have been interesting to note when physical activity influenced the odds ratio (OR) of an increasing modified Rankin scale score (mRS) after stroke. Table 2 and figure 2 do not indicate how the variable mRS was treated, presumably as a binary categorical variable given the use of an OR. If …
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