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Cumulative incidence rate percentage of NEC.
| Two-year period | NEC no | NEC yes | Total | NEC percentage | Cumulative percentage of NEC yes (n=36) |
|---|---|---|---|---|---|
| 2007-2008 | 23 | 2 | 25 | 8 | 5,6 |
| 2009-2010 | 20 | 5 | 25 | 20 | 19,4 |
| 2011-2012 | 22 | 6 | 28 | 21,4 | 36,1 |
| 2013-2014 | 18 | 2 | 20 | 10 | 41,7 |
| 2015-2016 | 26 | 9 | 35 | 25,7 | 66,7 |
| 2017-2018 | 28 | 4 | 32 | 12,5 | 77,8 |
| 2019-2020 | 23 | 3 | 26 | 11,5 | 86,1 |
| 2021-2022 | 17 | 5 | 22 | 22,7 | 100,0 |
| Total | 177 | 36 | 213 | 16,9 |
The CI was performed only on patients experiencing 1 episode of NEC.
