Figure 3.

Primary outcome – Forest plot for subgroups with optimal treatment. Forest plot over 16 trials with optimal treament procedures and dose. Trials plotted on the right hand side of the middle line (WMD (fixed)) indicates a positive treatment effect. The combined effect size for each intervention is placed below the trials, and combined overall effect of all 16 trials is plotted on the bottom.

Bjordal et al. BMC Musculoskeletal Disorders 2007 8:51   doi:10.1186/1471-2474-8-51
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