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. 2018 Jan 16;13(1):e0191173. doi: 10.1371/journal.pone.0191173

Table 1. Incidence of post-operative endophthalmitis after vitreous surgery using 20G Vs MIVS vitrectomy.

Type Overall Group
(n = 111876)
20 G Surgeries
(n = 70585)
MIVS Surgeries
(n = 41291)
p OR 95% C.I
Number Incidence Number Incidence Number Incidence
Endophthalmitis 45 0.040% 40 0.057% 5 0.012% <0.001* 4.68 1.85–11.86
Culture Positive Endophthalmtis 24 0.021% 22 0.031% 2 0.005% 0.004* 6.44 1.51–27.37
Culture Negative Endophthalmtis 21 0.019% 18 0.025% 3 0.007% 0.032* 3.51 1.03–11.92

*p is statistically significant;

C.I: Confidence interval, OR: Odds ratio for endophthalmitis in 20G