Table 1.

Incidence of endophthalmitis following pars plana vitrectomy in 20 G surgery

Reference	Year	Case occurrence	Incidence
Ho and Tolentino6	1984	4/2,817	0.14%
Cohen et al8	1995	18/12,216	0.15%
Aaberg et al7	1998	3/6,557	0.04%
Zhang et al9	2003	3/7,000	0.04%
Eifrig et al10	2004	6/15,326	0.03%
Sakamoto et al45	2004	1/1,886	0.05%
Joondeph et al11	2005	5/10,397	0.04%
Mollan et al12	2009	2/5,278	0.03%
Chen et al17	2009	1/3,046	0.03%
Scott et al21	2011	1/4,403	0.02%