Table 3.

Relation between time to assessment and mean systolic blood pressure before and after event

	0–15 min	15–30 min	30–90 min	90 min to 3 h	3–12 h	12–24 h	>24 h
Mean post-event SBP (mm Hg)
Intracerebral haemorrhage	204·4 (31·5); 8	192·0 (47·4); 18	188·9 (34·6); 25	181·9 (37·5); 17	173·8 (33·1); 24	172·0 (29·3); 11	168·7 (43·3); 10
Ischaemic stroke	155·0 (29·2); 42	156·0 (29·7); 54	159·6 (30·9); 119	160·4 (30·0); 79	156·5 (31·5); 103	157·9 (30·5); 50	158·8 (31·1); 76
Mean increase in post-event SBP compared with most-recent premorbid SBP (mm Hg)
Intracerebral haemorrhage	46·0 (45·8); 8	47·5 (48·0); 18	44·1 (30·3); 25	37·1 (34·4); 17	36·9 (36·8); 24	26·5 (37·0); 11	25·9 (31·3); 10
Ischaemic stroke	11·8 (29·5); 42	20·6 (30·4); 54	18·6 (31·3); 119	18·2 (31·4); 79	19·3 (31·9); 103	13·1 (39·1); 50	15·3 (27·0); 76

Data are mean (SD); n. SBP=systolic blood pressure.