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The graphs show the mean (s.e.) of the percent change from baseline at 2 years of the urinary α/β CTX ratio. In the PTH study, patients were treated for one year with PTH (1–84) followed by 1 year of placebo Please note that the data were not derived from head to head comparison studies (from Byrjalsen et al.68 and Garnero et al.69). *P<0.001 vs baseline.
