Infants in England (all gestational ages) with a diagnosis of brain injury, before and after exclusion of conditions leading to brain injury prior to birth
Year | Infants recorded in the NNRD | Live births in England | Infants with brain injury, before exclusions | Exclusions | Infants with brain injury, after exclusions | Infants with brain injury adjusted for incomplete NNRD coverage | Infants with brain injury adjusted for incomplete NNRD coverage, after exclusions | Rate of brain injuries per 1000 live births | Brain injuries per 1000 live births, after exclusions (95% CI) |
2010 | 64 375 | 687 007 | 3011 | 45 | 2966 | 3160 to 3619 | 3113 to 3566 | 4.60 to 5.27 | 4.53 to 5.19 |
2011 | 72 678 | 688 120 | 3377 | 46 | 3331 | 3434 to 3630 | 3387 to 3581 | 4.99 to 5.28 | 4.93 to 5.20 |
2012 | 78 952 | 694 241 | 3404 | 45 | 3359 | Not adjusted | Not adjusted | 4.90 (4.47 to 5.07) | 4.84 (4.68 to 5.00) |
2013 | 80 199 | 664 517 | 3393 | 35 | 3358 | Not adjusted | Not adjusted | 5.11 (4.94 to 5.28) | 5.05 (4.89 to 5.23) |
2014 | 84 981 | 661 496 | 3558 | 30 | 3528 | Not adjusted | Not adjusted | 5.38 (5.20 to 5.56) | 5.33 (5.16 to 5.51) |
2015 | 88 785 | 664 399 | 3445 | 27 | 3418 | Not adjusted | Not adjusted | 5.19 (5.01 to 5.36) | 5.14 (4.97 to 5.32) |
Data for 2010 and 2011 are adjusted to account for the incomplete coverage of the NNRD during those years; from 2012 onwards, the NNRD has complete population coverage of neonatal admissions in England so no adjustment was necessary, and data are presented as a rate (95% CI).
NNRD, National Neonatal Research Database.