ABCD2 Score For Stroke

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Used for predicting rates of Stroke after a TIA at 2, 7 and 9 days. Consists of a merging of the ABCD Score for stroke (7 days prediction) and the California Score for Stroke (90 days prediction) by the original authors. Published January 2007 (Lancet).

	Risk Factor	Category	Score
A	Age	Age ≥ 60	1
		Age < 60	0
B	Blood pressure	SBP >140 or DBP ≥ 90	1
		Other	0
C	Clinical Features	Unilateral Weakness	2
		Speech Disturbance (no weakness)	1
		Other	0
D	Duration	≥ 60 Minutes	2
		10-59 Minutes	1
		< 10 Minutes	0
D	Diabetes	Present	1
		Not Present	0

TOTAL			/7

Risk Score	2 Day Stroke		7 Day Stroke		90 Day Stroke
Risk Score	Prevalence	LR	Prevalence	LR	Prevalence	LR
Low (0-3)	1.0%	0.26	1.2%	0.21	3.1%	0.31
Moderate (4-5)	4.1%	1.1	5.9%	1.1	9.8%	1.1
High (6-7)	8.1%	2.2	12%	2.3	18%	2.1

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