Evidence-based On-call

Stroke

Clinical features

Ask about hypertension (particularly a diastolic ≥ 100 mmHg) ^a

Why?

Hypertension increases the risk of a stroke

Patient	Prognostic Factor	Outcome	CER	OR (95% CI)	NNF+ (95% CI)
healthy ^a	diastolic blood pressure 100 to 109 mmHg independent	stroke at 10 years	0.20%	1.80 (1.60 to 2.00)	690 (560 to 930)
	diastolic blood pressure ≥ 110 mmHg independent			3.60 (3.00 to 4.00)	220 (190 to 280)