. Author manuscript; available in PMC: 2020 Apr 21.

Published in final edited form as: Acta Neurochir (Wien). 2020 Feb 1;162(3):553–566. doi: 10.1007/s00701-020-04234-8

Table 1.

Description of patient populations of data used for model training and evaluation

		Training data	Test data
Number of patients		1,042	203
Gender		790 F, 252 M	144 F, 59 M
Age (mean ± sd)		56.26±13.78	54.68±13.61
Number of aneurysms (ruptured/unruptured)		1571 (477 R, 1094 U)	249 (66 R, 183 U)
Patients with multiple aneurysms		327	35
Distribution by location	ACA	54 (3.44%) 20R/34U	5 (2.00%) 2R/3U
	ACOM	214 (13.62%) 140R/74U	45 (18.07%) 23R/22U
	BA	104 (0.07%) 35R/69U	14 (5.62%) 7R/7U
	ICA	612 (38.96%) 61R/551U	77 (30.92%) 5R/72U
	MCA	304 (19.35%) 82R/222U	71 (28.51%) 14R/57U
	PCOM	247 (15.72%) 123R/124U	33 (13.25%) 14R/57U
	VA	36 (2.29%) 16R/20U	4 (1.61%) 1R/3U