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. 2021 Jan 30;142(8):1715–1721. doi: 10.1007/s00402-021-03779-2

Fig. 4.

Fig. 4

Box-and-whisker plot showing dependency of serum C-reactive protein (CRP) level on the virulence of periprosthetic joint infection (PJI). The horizontal black line marks the median CRP level; the box, the interquartile range; and the whiskers, the minimum and maximum. Asterisks indicate groups with significantly higher median CRP levels compared to groups without asterisks. High-virulent PJI, n = 10; low-virulent PJI, n = 36