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. Author manuscript; available in PMC: 2016 Jul 19.
Published in final edited form as: Ann Intern Med. 2015 Dec 22;164(2):73–83. doi: 10.7326/M15-0378

Figure A1C1.

Figure A1C1

Box plot of WOMAC by Provider, Randomization Arm, and Time Period^

^ Box on box plot indicates the interquartile range, dash is the median, diamond is the mean, upper and lower lines extend to the max and min values, respectively.