Table 3.

Postoperative results of 778 patients with CSDH

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

Values shown are mean ± standard deviations (SD), unless otherwise specified, and percentages, where indicated. GOS = Glasgow outcome scale (5 = Good recovery; 4 = Moderate disability with the ability to live independently; 3 = Severe disability, unable to live independently; 2 = Vegetative state; 1 = Dead); IQR = Interquartile range. *There were no patients with 1 or 2 GOS scores.