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Spina bifida cases and detection divided in years; ∗Poisson regression.
| Year | Total SB cases | Prenatal diagnosis | Prenatal diagnosis < week 22 |
|---|---|---|---|
| 2008 | 15 | 14 (93.3%) | 13 (86.7%) |
| 2009 | 32 | 29 (90.6%) | 27 (84.4%) |
| 2010 | 38 | 35 (92.1%) | 34 (89.4%) |
| 2011 | 33 | 30 (90.9%) | 28 (84.8%) |
| 2012 | 28 | 27 (96.4%) | 26 (92.9%) |
| 2013 | 24 | 21 (87.5%) | 21 (87.5%) |
| 2014 | 35 | 34 (97.1%) | 31 (88.6%) |
| 2015 | 29 | 29 (100%) | 27 (93.1%) |
| Total | 234 | 219 (93.6%) | 207 (88.5%) |
| p value | 0.99∗ | 0.99∗ |
