Investigations

• glucose ^{a b}

Why?

An elevated glucose on admission increases the risk of recurrent ischaemic stroke and death

Patient	Prognostic Factor	Outcome	CER	RR (95% CI)	NNF+ (95% CI)
ischaemic stroke a	5.5 mmol/l increase in admission glucose independent	recurrent stroke at 5 years	22%	1.40 (1.10 to 1.70)	11 (6 to 45)
	admission glucose > 7.7 mmol/l independent	death at 5 years	44%	1.70 (1.40 to 2.80)	4 (2 to 7)