Postmenopausal Hormone Replacement Therapy and the Primary Prevention of Cardiovascular Disease

Figure 2. Error bars represent 95% CIs. HRT = hormone replacement therapy. “Current,” “past,” and “ever” use are categories
used in the individual studies. “Any use” is a category created for this meta-analysis combining data from studies evaluating
ever and never use of HRT with data from studies evaluating current, past, or never use (current + past + ever use).
Relative risk or odds ratio for coronary artery disease mortality.
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Ann Intern Med
August 20, 2002
vol. 137
no. 4
273-284