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Table 3: Impact Factor of journals that published neurointerventional research between 2003 and 2012
Department of the First Author
Neurosurgery Radiology Neurology Miscellaneous
No. of articles published in SCI(E)-indexed journals 760 688 240 142
No. of SCI(E)-indexed journals 150 59 30 54
Mean journal IF 1.806 ± 1.549 2.103 ± 2.027 3.645 ± 5.259^{^a} 2.245 ± 1.826
25th Percentile Journal IF 0.645 1.069 1.378 1.057
50th Percentile (median) journal IF 1.274 1.990 2.244 2.135
75th Percentile journal IF 2.517 2.629 4.900 2.856
Note:—SCI(E) indicates Scientific Citation Index (Expanded).
↵a Significantly different from values for all other departments.

	Department of the First Author
	Neurosurgery	Radiology	Neurology	Miscellaneous
No. of articles published in SCI(E)-indexed journals	760	688	240	142
No. of SCI(E)-indexed journals	150	59	30	54
Mean journal IF	1.806 ± 1.549	2.103 ± 2.027	3.645 ± 5.259^{^a}	2.245 ± 1.826
25th Percentile Journal IF	0.645	1.069	1.378	1.057
50th Percentile (median) journal IF	1.274	1.990	2.244	2.135
75th Percentile journal IF	2.517	2.629	4.900	2.856