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. 2019 Dec 29;48(4):0300060519895868. doi: 10.1177/0300060519895868

Figure 4.

Figure 4.

Forest plots showing changes in (a) WOMAC questionnaire score short-term (≤4 weeks) and (b) WOMAC questionnaire score long-term (≥8 weeks) in the treatment studies.

BoNT-A: Botulinum toxin type A, SD: standard deviation, IV: inverse variance, CI: confidence interval, WOMAC: Western Ontario & McMaster Universities Osteoarthritis Index.