Fig. 5
From: Incidence and pathological features of IgA nephropathy before and during the COVID-19 pandemic

IgAN incidence in pre-COVID-19, pre-vaccination, and post-vaccination periods. The incidence changes of IgAN before and after vaccination across different periods were compared using Pearson’s chi-square test. *P < 0.05; ***P < 0.001; NS, not significant.