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Forest plot for range of internal rotation at (A) 0 to 8 weeks and (B) 9 to 24 weeks. Compared with control group, there was greater improvement in the range of internal rotation at 0 to 8 weeks (P = .0001), but there was no difference at 9 to 24 weeks (P = .37). CI = intra-articular corticosteroid injection group, PLB = placebo group.
