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. 2008 Oct 8;2008(4):CD003823. doi: 10.1002/14651858.CD003823.pub2

Kuppers 1997.

Methods 2‐week placebo run‐in; inclusion criteria= 1) sitting DBP=95‐114 mm Hg during last 2 weeks of run‐in, and also on day 0, the first day of active treatment, and 2) mean daytime (0600‐2159h) >/= 85mm Hg by ambulatory BP monitoring; consecutive measurements; 8‐week double‐blind treatment
Participants Enalapril 10 mg once daily: n=77(32 males,45 females); mean age=55.8(8.7) years; baseline sitting SBP=166.8(14.8) mm Hg, DBP=106.7(4.6) mm Hg; 
 Placebo: n=77(33 males,44 females); mean age=57.2(9.5) years; baseline sitting SBP=166.4(14.1) mm Hg, DBP=106.9(4.7) mm Hg
Interventions Enalapril 10 mg once daily, 
 Placebo; 
 administered at approximately 8AM
Outcomes Trough sitting SBP/DBP using mercury sphygmomanometer; 
 WDAE
Notes BP change and SD of change not reported, endpoint BP and SD reported; imputed endpoint SD for SD of change; BP data from Figure 1, p. 95; Jadad score=4; funding source= Solvay Pharma
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Low risk A ‐ Adequate