Table 4.

Timing to treatments and outcome

#Number	Trigger	Time from trigger	Time to decision	Imaging	Treatment	Outcome
#1[10]	P	<24 h	Emergent	MRI	Laminectomy	No improvement
#2[11]	CR	30 h	Emergent	MRI	Laminectomy	Full recovery
#3[12]	P	1 d	21 d	MRI	Conservative	N
#4[13]	CR	6 h	<2 h	MRI	Laminectomy	Full recovery
#5[14]	P	45 h	<4 h	MRI	Conservative	Minimal improvement
#6[15]	P	/	N	MRI	Laminectomy	Full recovery
#7[16]	P	/	N	MRI	Conservative	Full recovery
#8[17]	P	3 d	10 d	MRI	Conservative	Full recovery
#9[18]	P	84 h	84 h	MRI	Laminectomy	Improvement
#10[19]	P	2d	5d	MRI	Laminectomy and durotomy	Full recovery
#11[20]	P	21 d	Immediate	MRI	Conservative	Improvement
#12[21]	P	5 d	8 d	MRI	Conservative	Full recovery
#13 [22]	N	/	10 d	MRI	Drainage	Full recovery
#14[23]	CR	6 d	11 d	MRI	Conservative	N
#15[24]	P	1 d	4 d	MRI	Drainage	Full recovery
#16[25]	P	6 h	N	CT	Conservative	N
#17[26]	P	40 h	40 h	MRI	Laminectomy	Full recovery
#18[27]	P	30 min	7 h	MRI	Laminectomy	Full recovery

Trigger: bleeding trigger event; Time from trigger: time from trigger event to neurologic compromise; Time to treatment: time from neurologic compromise to treatment decision; CR: catheter removal; P: procedure; d: day; h: hour; min: minute; N: not clearly stated; CT: computed tomography; MRI: magnetic resonance imaging