Table 2.

Clinical data of patients who were treated in the STN.

No.	Sex	Age (years)	Course	Hypertension	Target	Immediatehemorrhage	Detection method	Bleedingposition	Pattern of hemorrhage	Hemorrhagic volume	Neurologicalsymptoms	Preferentialside	ElectrodeAdjustment	Hemorrhage index
1	M	64	25	Y	STN	No ICH, MRI	CT, 6th day	Left frontallobe + tip	2.19 × 2.62-cm high-density shadow	6.5 + 0.5 mL	Headache, loss of consciousness	L	N	3
2	M	64	12	Y	STN	No ICH, MRI	CT, 5th day	Left frontallobe + tip	Small high-density shadow	4.8 + 0.32 mL	None	R	Y (z axis)	2
3	M	68	7	Y	STN	No ICH, MRI	MRI, 6th d	Left frontal lobe + tip	2.7 × 2.2-cm high-density shadow	10.3 + 3.2 mL	None	L	N	3
4	M	73	9	N	STN	No ICH, MRI	CT, 5th d	Right basal ganglia	Small hematoma in right basal ganglia	1.02 mL	Delirium	R	N	1
5	M	62	19	Y	STN	No ICH, MRI	CT, 6th d	Left frontal lobe+right tip	Irregular peri-electrode High-density shadow	(R) 1 + (L)10.8 mL	R limb weakness	L	N	2 & 4
6	F	68	12	Y	STN	No ICH, MRI	CT, 5th d	Right frontal lobe + tip	Right cerebral horns Hematoma	2.42 + 0.54 mL	Headache	R	N	2
7	M	68	20	Y	STN	No ICH, MRI	CT, 3rd d	Bilateral puncture tract	Small hemorrhage in bilateral puncture tracts	(R) 2 + (L)0.4 mL	Drowsy	R	N	2 & 2
8	M	66	7	N	STN	No ICH, MRI	CT, 3rd d	Left frontal lobe + tip	Left frontal hematoma	2.94 + 0.1 mL	None	R	N	1
9	M	62	7	N	STN	No ICH, MRI	CT, 6th d	Left frontal lobe	Small peri-electrode hemorrhage and edema	2.7 mL	Drowsy	L	Y (y axis)	2

M: male; F: female; Y: yes; N: no; STN: subthalamic nucleus; ICH: intracranial hemorrhage; MRI: magnetic resonance imaging; CT: computed tomography; d: day; R: right; L: left.