Non-adjustable gravitational valves or adjustable valves in the treatment of hydrocephalus after aneurysmal subarachnoid hemorrhage patients?

Acta Neurochir (Wien) · 2022 · PMC9613573 · PMID 36149501

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did not reach statistical significanceno p-value reported

Although the rate of revision for over- and underdrainage seemed to differ, it did not reach statistical significance.

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