Table 1.

Epidemiological studies of polypoidal choroidal vasculopathy in Asia.

Study	Study Design	Population Size	Race	Age Range	Prevalence of PCV (%)	Male (%)	Bilateral (%)
Li et al., 2014 [34] Beijing Eye Study	Population based cross sectional	3468	Chinese	≥50	0.3 ± 0.1,	58.8	5.9
					95% CI 0.1 ± 0.4
Byeon et al., 2008 [30]	Retrospective cross-sectional hospital based	392	Korean	48–85	24.6 *	78.5	24.1
Maruko et al., 2007 [29]	Retrospective cross-sectional hospital based	289	Japanese	≥40	54.7 *	77.8	18.4
Coscas G et al., 2014 [28]	Retrospective cross-sectional hospital based	99	Japanese	-	48 *	-	-
		94	French	-	9 *	-	-
Mori et al., 2010 [32]	Prospective hospital based	373	Japanese	51–96	41.3 *	79.2	13.6
Sho et al., 2003 [27]	Retrospective cross-sectional hospital based	471	Japanese	50–93	23 *	63	10
Liu et al., 2007 [26]	Prospective cross-sectional hospital based	155	Chinese	50–86	24.5 *	68.4	23.7
Wen et al., 2004 [25]	Retrospective cross-sectional hospital based	166	Chinese	≥50	22.3 *	73	13.5
Chang et al., 2009 [24]	Retrospective cross-sectional hospital based	100	Taiwanese	-	49 *	71.4	8.2
Cheung et al., 2014 [31]	Prospective hospital based	132	Predominantly Chinese	69.5 ± 9.94	61.1 *	58.1	-

* Among patients with presumed neovascular age related macular degeneration.