Table 2 Incidence of rhegmatogenous retinal detachment (RRD) per 100,000 person-years in the Merative™ Marketscan® Research Database between 2007 and 2016.
Year | Number of patients | Mean days at risk | Person-years at risk | New diagnosis of RRD | Incidence of RRD per 100,000 person-years | 95% confidence interval |
|---|---|---|---|---|---|---|
2007 | 22,163,189 | 340.43 | 20,671,272.41 | 6,945 | 33.60 | 32.84–34.36 |
2008 | 33,841,550 | 332.26 | 30,806,408.00 | 8,471 | 27.50 | 26.94–28.06 |
2009 | 36,170,889 | 331.85 | 32,886,146.16 | 8,114 | 24.67 | 24.16–25.18 |
2010 | 35,906,604 | 329.82 | 32,446,230.47 | 7,743 | 23.86 | 23.35–24.37 |
2011 | 37,921,042 | 327.43 | 34,017,273.32 | 8,472 | 24.90 | 24.40–25.40 |
2012 | 38,189,162 | 329.20 | 34,443,286.50 | 8,276 | 24.03 | 23.54–24.52 |
2013 | 32,489,301 | 327.95 | 29,191,761.56 | 6,889 | 23.60 | 23.07–24.13 |
2014 | 30,990,326 | 332.40 | 28,222,788.00 | 6,137 | 21.74 | 21.22–22.26 |
2015 | 21,083,952 | 329.56 | 19,036,867.78 | 4,135 | 21.72 | 21.09–22.35 |
2016 | 18,959,621 | 345.23 | 17,932,736.76 | 5,675 | 31.65 | 30.85–32.45 |
