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. 2017 Aug;38(8):1574–1579. doi: 10.3174/ajnr.A5260

Table 7:

Grouped starting times

	% to Start Until
	7 pm	P^a	8 pm	P^a	9 pm	P^a
Endovascular
University hospital	13	.15	67	.55	88	.97
Nonuniversity hospital	29	.15	74	.55	87	.97
All	21		70		86
Neurosurgery
University hospital	33	.38	83	.43	91	.26
Nonuniversity hospital	51	.38	84	.43	91	.26
All	40		78		85

^a

χ² test.