Delayed Surgical Intervention in Acute Subdural Hematoma.

The difference in operative time between the delayed (smaller craniotomy) and emergent (larger craniotomy/craniectomy) cohorts was highly significant (Wilcoxon test: p-value = 0.001; 95%CI: -37.0, -9.0).

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They did not have to follow up data on their cohort, but our three-month follow-up analysis showed that age was the only significant factor associated with three-month GOS with operative duration trending towards significance.

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