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

Gerritsen 1998.

Methods 3‐week washout period; 4‐week placebo run‐in; inclusion criteria= sitting DBP 90‐115 mm Hg and SBP </= 200 mm Hg during run‐in; 8‐week double‐blind treatment, dosage of enalapril doubled after 4 weeks of treatment if DBP >/= 85 mm Hg
Participants Enalapril 10 mg: n=40(28 males,12 females); mean age=58.8(9.5) years; baseline SBP=165(15) mm Hg, DBP=92(7.8) mm Hg, HR=81.2(13.3) bpm; 
 Placebo: n=41(26 males,15 females); mean age=61.9(7.8) years; baseline SBP=166(18) mm Hg, DBP=93(8.2) mm Hg, HR=81.2(14.3) bpm
Interventions Enalapril 10 mg once daily; 
 Placebo; 
 administered in the morning
Outcomes Trough sitting SBP/DBP using automated device (Dinamap); 
 WDAE
Notes Used week 4 BP data only; BP change and SD of change not reported; endpoint BP and SD reported; imputed endpoint SD for SD of change; position of BP measurement not reported but likely sitting; BP data from Figure 1, p. 693; Jadad score=4; funding source= Bayer
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk B ‐ Unclear