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

Chan 1997.

Methods 4‐week single‐blind placebo run‐in; inclusion criteria= sitting DBP 95‐114 mm Hg at last 2 visits of run‐in; 12‐week double‐blind treatment
Participants Lisinopril 10 mg: n=26(18 males,8 females); mean age=70.5 years; baseline sitting SBP=163.8(13.0) mm Hg, DBP=104.9(5.0) mm Hg, HR=62.5 bpm; 
 Placebo: n=27(15 males,12 females); mean age=73.4 years; baseline sitting SBP=167.9(14.8) mm Hg, DBP=105.5(5.4) mm Hg, HR=61.9 bpm
Interventions Lisinopril 10 mg once daily; 
 Placebo; 
 taken between 8 AM and 10 AM
Outcomes Mean change from baseline in trough sitting SBP/DBP using mercury sphygmomanometer; 
 WDAE
Notes BP change and SD of change reported, endpoint BP and SD reported; SD of change values are too low; imputed endpoint SBP SD for SBP SD of change; imputed overall trial mean DBP SD of change; SBP data from Table 2, p. 745; DBP data from Table 3, p. 746; Jadad score=3; funding source= not reported
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk B ‐ Unclear