Response by Denti and Schulz to Letter Regarding Article, “Impact on Prehospital Delay of a Stroke Preparedness Campaign: A SW-RCT (Stepped-Wedge Cluster Randomized Controlled Trial)”
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We are really grateful to Dr Wolters for 2 reasons: first, for his interest in our study, second, for his contribution to interpreting the apparent failure of our campaign, at least in terms of the lack of benefit on the primary end point (patient delay), which eventually should help to design new interventions with more potential for effectiveness.
We agree on the importance of a thorough analysis of the secondary end points to interpret the results in terms of the primary outcome. The secondary behavioral end points were chosen with 2 objectives: to explore the differential impact of the intervention on each step of patient or proxy response to stroke, according to the theoretical basis of the campaign, and to assess whether the intended improvement in 2 main …