Fig. 1

The comparison of serum proteins between patients with aseptic mechanical failure and PJI. a Total protein, b albumin, c globulin, and d albumin-globulin ratio. The asterisks indicate a significant difference between groups. The P values were calculated by the Mann-Whitney U test and adjusted by the multivariate logistic regression. P < 0.05 was regarded as statistically significant. Solid lines within the box indicate median, top, and bottom lines of box equal interquartile range (IQR), whiskers indicate values within 1.5 IQR of the top or bottom of the box, and dots represent outliers