Development and validation of a score for evaluating comprehensive stroke care capabilities: J-ASPECT Study

BMC Neurology

Table 5 Factor analysis

		Factor 1	Factor 2	Factor 3	Factor 4
		Neurovascular surgery and intervention	Diagnostic neuroradiology	Vascular neurology	Neurocritical care and rehabilitation
	Proportion explained	0.43	0.25	0.19	0.14
Item No	Items	Standardized loadings (pattern matrix)
3	Endovascular physicians	*0.91* ^d	-0.07	-0.04	0.12
17	Coiling of intracranial aneurysm	*0.89*	-0.11	0.04	0.15
18	Intra-arterial reperfusion therapy	*0.88*	0.00	0.10	-0.05
22	Interventional services coverage 24/7	*0.80*	-0.09	0.05	0.23
14	Carotid endarterectomy	*0.76*	0.24	-0.01	-0.10
16	Hematoma removal/draining	*0.75*	0.37	0.06	-0.16
15	Clipping of intracranial aneurysm	*0.73*	0.37	0.08	-0.16
2	Neurosurgeons	*0.69*	0.43	0.02	-0.22
6	Rehabilitation therapy	*0.59*	0.07	-0.63	0.18
21	Operating room staffed 24/7	*0.59*	0.28	0.00	0.18
7	Stroke rehabilitation nurses	*0.34*	-0.36	0.21	0.20
8	CT^a	-0.03	*0.89*	-0.21	0.34
11	CT angiography	0.08	*0.84*	0.06	-0.17
10	Digital cerebral angiography	0.36	*0.70*	0.08	-0.10
9	MRI^b with diffusion	0.03	*0.59*	0.23	-0.06
20	Intensive care unit	-0.06	*0.50*	0.17	0.22
13	TCD^c	0.02	0.15	*0.71*	0.04
12	Carotid duplex ultrasound	-0.31	0.26	*0.72*	0.16
25	Professional education	0.23	-0.15	*0.63*	-0.23
24	Community education	0.21	-0.17	*0.56*	0.07
23	Stroke registry	0.24	-0.08	*0.52*	0.10
19	Stroke unit	0.23	-0.05	*0.49*	0.06
1	Neurologists	-0.02	-0.02	0.02	*0.85*
5	Physical medicine and rehabilitation	0.10	-0.09	0.00	*0.72*
4	Critical care medicine	-0.09	0.25	0.14	*0.55*

^acomputed tomography; ^bmagnetic resonance imaging; ^ctranscranial Doppler; ^dvalues > 0.300 are shown in bold font

ISSN: 1471-2377