Study designs of evaluations included in the review
Various designs including non-comparative studies, placebo-controlled studies; comparative studies with other drugs appear to be double-blind randomised controlled trials (RCTs).
Specific interventions included in the review
Lacidipine at 1 to 8 mg/day in dose-titration studies; comparisons with hydrochlorothiazine, atenolol, nifedipine, other calcium-channel blocking agents and enalapril.
Participants included in the review
Patients with mild-to-moderate hypertension: sitting diastolic blood-pressure (BP) 95 to 115 mmHg, and systolic BP 200 mmHg.
Outcomes assessed in the review
The mean decrease in BP was assessed.
How were decisions on the relevance of primary studies made?
The authors do not state how the papers were selected for the review, or how many of the authors performed the selection.