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. 2018 Apr 17;13(4):e0195653. doi: 10.1371/journal.pone.0195653

Fig 2. Mean ± standard error change (baseline minus follow-up values) in pain scores of the Knee Osteoarthritis Outcome Score relative to the minimal clinically important difference (MCID) and moderate improvement values.

Fig 2

Significant between-group differences are denoted with ** and within-group change with *.