Table 3.

Potential risk factors for mortality or poor outcome following surgical evacuation of ASDH in patients aged 60 years and above

Author, Year	Outcome	Intervention	Risk factors
			Age	Sex	Base line	GCS/pupils	Imaging	Mechanism of injury	Other intracranial injuries	Timing of surgery	Craniotomy vs DC	Antithrombotic agents
Wilberger et al, 199120	Mortality GOS	Surgical	X	X	N	X	N	N	N	X	N	N
Cagetti et al, 199221	Mortality GOS	Surgical	X	X	X	X	N	N	X	N	N	N
Jamjoom, 199222	GOS	Surgical	NS	X	N	S	NS	NS	NS	NS	N	N
Kotwica and Jakubowski, 199223	GOS	Surgical	X	X	N	X	X	N	X	N	N	N
Massaro et al, 199624	Mortality GOS	DC	X	X	N	X	X	N	X	X	N	N
Koc et al, 199725	Mortality GOS	Craniotomy	X	X	N	X	X	N	N	N	N	N
Hanif et al, 200927	Mortality GOS	Craniotomy	X	X	N	X	N	X	N	N	N	N
Petridis et al, 200926	Mortality GOS	Craniotomy, DC	X	X	N	S	S	NS	NS	N	NS	NS
Taussky et al, 201228	GOS	Craniotomy, DC	X	X	X	X	N	NS	N	X	X	X
Hamed et al, 201640	GOS	Craniotomy, DC	X	N	N	X	X	N	N	X	X	X
Merzo et al, 201629	Mortality GOS	Craniotomy, DC	X	N	X	X	N	N	N	N	X	N
Raj et al, 201630	Mortality	Craniotomy, DC	NS	NS	NS	S	N	NS	N	N	N	NS
Benedetto et al, 201731	GOS	Craniotomy	S	X	X	S	S	N	N	N	X	NS
McGinity et al, 201732	GOS	Craniotomy, DC	NS	N	NS	NS	NS	N	N	N	NS	NS
Won et al, 201733	Mortality GOS	Craniotomy, DC	X	X	X	S	X	N	N	X	N	X
Monsivais et al, 201834	Mortality	Craniotomy, DC	S	N	NS	S	N	NS	N	X	S	NS
Akbik et al, 201935	Mortality GOS	Craniotomy, DC	NS	X	N	S	S	X	NS	N	N	NS
Bus et al, 201936	Mortality GOS	Craniotomy, DC	NS	NS	N	S	NS	N	N	NS	NS	NS
Sufaro et al, 201937	Mortality mRS	Craniotomy	X	X	X	X	X	N	X	N	N	X
Trevisi et al, 202038	GOS	Craniotomy, DC	NS	NS	NS	S	S	N	X	S	X	S
Younsi et al, 202039	GOS	Craniotomy, DC	NS	NS	S	S	S	N	X	NS	N	NS

ASDH, acute subdural haematoma; DC, decompressive craniectomy; GCS, Glasgow Coma Score; GOS, Glasgow Outcome Scale; mRS, modified Rankin Scale; N, not reported; NS, non-significant association on statistical analysis; S, significant association on statistical analysis; X, reported but not statistically analysed.