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Diagnosis Economics Harm/ aetiology Prognosis Therapy

Stroke mechanical ventilation is not cost-effective for preserving quality-of-life Level of evidence 1b Expiry Date November 2003 Atrial fibrillation warfarin was more cost-effective than aspirin at preventing stroke in patients with one or more other risk factors Level of evidence 1b Expiry Date November 2002 Stroke choice of warfarin or aspirin was cost-effective in low-risk patients. Level of evidence 1b Expiry Date December 2002 Stroke carotid endarterectomy and warfarin were cost-effective. Level of evidence 1b Expiry Date January 2003