Trial | Year | No. Subject s In Active Arm | No. Of Subjec ts In Contro l Arm | Systolic Blood Pressure Difference | Diastolic Blood Pressure Difference | Stroke events in Active Arm | Stroke events in Control Arm | Stroke Relative Risk Reduction |
---|---|---|---|---|---|---|---|---|
ANBP1 [26] | 1980 | 1721 | 1706 | NR | 5.7 | 13 | 22 | 0.41 |
IPPPSH [27] | 1985 | 3185 | 3172 | 3.8 | 0.2 | 45 | 46 | 0.03 |
MRC-mild [28] | 1985 | 8700 | 8654 | 10.3 | 6.2 | 60 | 109 | 0.45 |
HEP [29] | 1986 | 419 | 465 | 18.0 | 11.0 | 23 | 44 | 0.42 |
SHEP [30] | 1991 | 2365 | 2371 | 12.4 | 4.3 | 106 | 163 | 0.35 |
STOP [31] | 1991 | 812 | 815 | 22.5 | 10.5 | 29 | 53 | 0.45 |
MRC-elderly [32] | 1992 | 2183 | 2213 | 14.3 | 7.2 | 101 | 134 | 0.24 |
PATS [33] | 1995 | 2824 | 2841 | 5.9 | 3.0 | 159 | 217 | 0.26 |
Syst-Eur [34] | 1997 | 2398 | 2297 | 9.4 | 5.5 | 49 | 80 | 0.41 |
PREVENT [35] | 2000 | 417 | 408 | 6.8 | 3.9 | 5 | 5 | 0.02 |
PROGRESS [36] | 2001 | 3051 | 3054 | 9.0 | 4.0 | 317 | 420 | 0.24 |
EUROPA [37] | 2003 | 6110 | 6108 | 5.0 | 2.0 | 98 | 102 | 0.04 |
SCOPE [38] | 2003 | 2477 | 2460 | 3.5 | 2.9 | 89 | 115 | 0.23 |
HYVET-pilot [39] | 2003 | 431 | 426 | 23.9 | 11.1 | 12 | 18 | 0.34 |
PEACE [40] | 2004 | 4158 | 4132 | 3.0 | 1.2 | 71 | 92 | 0.23 |
ACTION [41] | 2004 | 3825 | 3840 | 4.7 | 3.1 | 82 | 108 | 0.24 |
TRANSCEND [42] | 2008 | 2954 | 2972 | 3.4 | 2.0 | 112 | 136 | 0.17 |
HYVET-main [43] | 2008 | 1933 | 1912 | 12.0 | 6.0 | 51 | 69 | 0.27 |