Summary of statistically significant (p<0.5) changes in data for different time periods.

Figures for predicted mean at March 2009 are absolute numbers – predicted values if phase 1 had not occurred.Change in level - step change in levels for data immediately after phase one (between February 2009 and March 2009).Trends refer to monthly changes in data.SA: Stroke Association; HES (Hospital Episode Statistics); A&E (accident and emergency); SITS (Safe Implementation of Thrombolysis in Stroke).NS = non-significant at p