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MOM study results, January 2011 [50].
| Results (%) | Prenatal surgery | Postnatal surgery | P value |
|---|---|---|---|
| At 12 months | |||
| Shunt placement | 40 | 82 | <0.001 |
| Hindbrain herniation | 64 | 96 | <0.001 |
| At 30 months | |||
| Psychomotor development (Bayley index mean) | 64 | 58,3 | 0.03 |
| Motor function & independent walking on examination | 42 | 21 | 0.01 |
