Temporal profiles of oral PSL from diagnosis in patients with PM (A) and those with DM (B), showing significant decreases 6 and 12 months after starting TAC compared with before (*p < 0.05). A similar significant change is seen also 3 months after adding TAC in the DM patients. Time point of adding TAC is indicated as 0. #Data of patients 8 and 9 are shown from 6 months before adding TAC.
Shimojima et al. BMC Musculoskeletal Disorders 2012 13:228 doi:10.1186/1471-2474-13-228