Association between histopathological class and eGFR. eGFRs at diagnosis and 1 year after diagnosis were higher in the focal class than in the other classes. There were no significant differences in eGFR among the crescentic, mixed, and sclerotic class. Abbreviations: eGFR, estimated glomerular filtration rate; blank circles, median values; error bars, interquartile ranges. *p < 0.05, **p < 0.01, and ***p < 0.001 (post hoc analysis).