Table 1.

Baseline characteristics of UK patients

Characteristics	Craniotomy (N=126)	DC (N=122)
Age (mean±SD)—years, n	52.3±16.4, 126	51.7±15.9, 122
Male sex—No./total n (%)	96/126 (76.2)	101/122 (82.8)
Any antithrombotic medication—No./n (%)	21/115 (18.3)	22/110 (20.0)
Presence of major extracranial injury requiring admission—No./n (%)	66/123 (53.7)	57/120 (47.5)
Glasgow Coma Scale (GCS) 3–8*	85/120 (70.8)	72/119 (60.5)
Initial CT brain findings
Presence of midline shift >5 mm—No./n (%)	106/124 (85.5)	105/121 (86.8)
Compression/absence of basal cisterns—No./n (%)	101/124 (81.5)	102/121 (84.3)
Presence of parenchymal contusions <25 cc—No./n (%)	58/125 (46.4)	60/121 (49.6)

*A GCS score of 3–8 is defined as ‘severe brain injury’.

DC, decompressive craniectomy; n, number of patients for whom data were available; N, number allocated to that trial arm; No., number of associated patients; SD, standard deviation.