Afier the iesitial shaty on osteoporeais, investigetors decided to follow 10 participaeds ia the treatencet greup wha had rwatiend free of osteopecenis ever the next 10 year from 2000 to 2010. The following figure displaye participants abo developed the diacase (with X ) and thote whe wers lost to follow-up or rufased farher eontact vith stody invectimators ( O ) ..