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EVDRI per 1000 days of EVD catheter use
| Year | 198 patients | EVDRI | Days 261 catheters | Episodes /1000 days of catheter 23/2932 = 7.8 |
|---|---|---|---|---|
| 2015 | 44 | 10 (23%) | 10/745 | 13.4 |
| 2016 | 43 | 8 (19%) | 8/711 | 11.2 |
| 2017 | 56 | 3 (5%) | 3/696 | 4.3 |
| 2018 | 55 | 2 (4%) | 2/780 | 2.5 |
EVD = External ventricular drain; EVDRI = EVD-related infection
