Classifications for Proliferative Vitreoretinopathy (PVR): An Analysis of Their Use in Publications over the Last 15 Years

Table 4

Distribution of the used classifications for each year in papers published between January 2000 and January 2014. No data are shown about 2014 because there were no papers published at this time.

Year of publication	Retina Society Classification (1983)	Silicone Study Classification (1989)	Updated Retina Society Classification (1991)
2000	4	1	0
2001	1	0	3
2002	6	0	2
2003	2	0	1
2004	1	0	6
2005	5	0	4
2006	4	0	1
2007	1	1	7
2008	3	1	10
2009	0	0	6
2010	3	0	10
2011	2	0	2
2012	1	0	0
2013	2	1	6
	Tot.: 35	Tot.: 4	Tot.: 58