Primary glomerular diseases in the elderly

Table 2 Recent epidemiological studies in the very elderly population

Country	Ref.	Date	Number of cases	Age	The most frequent PGD
Japonya	Yokoyama et al[6]	2012	276	> 80	1. MN
					2. IgAN
					3. MCD
United States	Moutzouris et al[11]	2009	235	> 80	1. Pauci-immune GN
					2. MN
					3. IgAN
Italy	Rollino et al[12]	2014	131	> 75	1. MN
					2. Pauci-immune GN
					3. IgAN
Japan	Omokawa et al[13]	2012	73	> 80	1. MN
					2. MCD
United States	Nair et al[14]	2004	100	> 80	1. Pauci-immune GN
					2. MN
Spain	Verde et al[15]	2012	71	> 85	1. MN
					2. Pauci-immune GN
					3. IgAN

GN: Glomerulonephritis; IgAN: IgA nephropathy; MCD: Minimal change disease; MN: Membranous nephropathy; PGD: Primary glomerular disease.