Mean Systolic Blood Pressure by Group - Table 3

Mean Systolic Blood Pressure by Group (mm Hg)
Year Active Treatment  Placebo Difference
Baseline 170.5 170.1 -0.4
1 142.5  156.5 -14.0
2   141.8 154.4 -12.6
3 142.4  155.0 -12.6
4 143.1 154.6 -11.5
5 144.0 155.1 -11.1

Outcome of Trial:
The incidence of stroke was reduced by 36% (Table 4). This pattern of protection from stroke was seen through the entire course of this study.