Table 4.

1-year prevalence of primary IgAN in Germany

Year	Lower bound				Upper bound
	per 100,000	Absolute number			per 100,000	Absolute number
		n	95 % CI lower limit	95 % CI upper limit		n	95 % CI lower limit	95 % CI upper limit
2017	4.3	3525	3010	4102	37.8	31,278	29,706	32,912
2018	4.4	3629	3102	4219	38.2	31,672	30,077	33,331
2019	4.6	3814	3270	4423	39.1	32,477	30,849	34,169
2020	4.3	3570	3040	4166	37.7	31,313	29,701	32,990
2021	4.4	3700	3149	4320	38.9	32,353	30,680	34,093
2022	4.8	4043	3463	4693	38.2	32,229	30,551	33,976