From: Epidemiological characteristics of 778 patients who underwent surgical drainage of chronic subdural hematomas in Brasília, Brazil
Surgical procedures
Burr holes with drain
751 (96.5%)
Craniotomy
27 (3.5%)
Recurrence
42 (5.4%)
Within 3 months
30 (71.4%)
GOS, median (IQR) on admission*
5 (5–5)
5
687 (88.3%)
4
56 (7.2%)
3
35 (4.5%)
Days hospitalized (mean ± SD)
6.53 ± 7.7