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. 2014 Apr 29;33(21):3639–3654. doi: 10.1002/sim.6188

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© 2014 The Authors. Statistics in Medicine published by John Wiley & Sons, Ltd.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Network diagram for the osteoarthritis of the knee data. Node size is proportional to the number of trials including the treatment, and multi-arm trials are shown as closed loops. Treatments are A: standard care, B: placebo, C: no medication, D: acupuncture, E: balneotherapy, F: braces, G: aerobic exercise, H: muscle exercise, I: heat treatment, J: insoles, K: tai chi, L: weight loss, M: sham acupuncture, N: ice/cooling, O: interferential, P: laser, Q: manual, R: NMES, S: PES, T: PEMF, U: static magnets, V: TENS.