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We believe that the use of the term ‘interrupted time series study’ to describe two reports from this year’s February issue of BMJ Quality & Safety is potentially misleading.1 ,2 Putting aside the merits of the studies themselves, we would like to clarify what the interrupted time series design entails to promote a productive conversation of its particular strengths and shortcomings.
The interrupted time series …
Competing interests None.
Provenance and peer review Not commissioned; internally peer reviewed.