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. Author manuscript; available in PMC: 2018 Sep 12.
Published in final edited form as: JAMA. 2017 Sep 12;318(10):927–938. doi: 10.1001/jama.2017.11217

Figure 1. Flow of Participants in the Women's Health Initiative Trials of Postmenopausal Hormone Therapy vs Placebo Through Extended Follow-up.

Figure 1

During the postintervention and extension phases, fewer than2%of women in the conjugated equine estrogens (CEE) plus medroxyprogesterone acetate (MPA) trial and fewer than 4% of women in the CEE-alone trial reported use of hormone therapy. NDI indicates National Death Index.