BMC Health Services Research

Table 2 Survival curve analysis of days to TIA unit arrival from symptom onset^a

From: Reducing time-to-unit among patients referred to an outpatient stroke assessment unit with a novel triage process: a prospective cohort study

	Pre-queue cohort		Post-queue cohort
	N	Median (days)	N	Median (days)	Chi-Squared^b	p
ABCD2—Low (0–3) Mimic	355	10	618	8	3.74	0.053
ABCD2—Low (0–3) TIA	388	9	604	7	4.89	0.027
ABCD2—Moderate (4–5) Mimic	275	7	353	7	0.02	0.887
ABCD2—Moderate (4–5) TIA	652	6	639	5	5.21	0.022
ABCD2—High (6–7) Mimic	60	8	65	5	2.51	0.113
ABCD2—High (6–7) TIA	262	5	186	5	0.58	0.445

^aResults stratified by ABCD2 score and diagnostic category; data right censored at 28 days
^bGehan-Wilcoxon Chi-Squared Test

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