For today's graphic I am going to use the data from table 3 of the article United Kingdom National Ophthalmology Database Study of Vitreoretinal Surgery: Report 1; Case mix, complications, and cataract. In that table are given the reported intraoperative complications and I am interested in the complications happened with a pars plana vitrectomy (PPV).

I will plot the complications rate but will add a 95 % confidence interval for the true rate.



The number in black is the percentage rate, the green one is the lower confidence interval and the red one is the upper confidence interval. As there are 25 complications, there will be at least one that is out of that interval. Any guesses?

You can find the R code to reproduce the graphic here.