Study design, CONSORT diagram, and participant disposition at each follow-up
visit.
Of the 399 participants included in the primary analysis, 349 (87.5%) had
year 2 BMD data, 110 (27.6%) had year 3 data. For 284 of the 289
participants without year 3 data, the year 3 visit was due after the common
censoring date, May 26, 2015.