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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Influence of seasonal changes on disease activity and distribution of affected joints in rheumatoid arthritis

Fig. 2

Average values for joint index x (upper joint), y (lower joint), and z (large joint index) plotted by season in NinJa2016. Average x, y, and z values for the four seasons are plotted in a three-dimensional format, where x and y are plotted horizontally and z is plotted vertically. The average ± standard deviation values for x, y, and z in each season are as follows: spring, 0.20 ± 0.31, 0.12 ± 0.26, and 0.39 ± 0.43; summer, 0.16 ± 0.28, 0.08 ± 0.23, and 0.34 ± 0.44; fall, 0.15 ± 0.26, 0.08 ± 0.23, and 0.35 ± 0.44; and winter, 0.18 ± 0.29, 0.11 ± 0.26, and 0.38 ± 0.44. Each bar is connected by dotted arrows in the order of the four seasons for clarity

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