Self measured home blood pressure (HBP) v “clinic” blood pressure (CBP) measured by healthcare professionals for predicting the risk of stroke at a mean follow up of 10.6 years*

Type of BPCategory definitionsSystolic BP mm HgDiastolic BP mm HgCVD risk factorsGroupHazard ratio (95% CI)
*BP  =  blood pressure; CVD  =  cardiovascular disease; CVD risk factors included diabetes mellitus, hypercholesterolaemia, smoking, and history of CVD. CI defined in glossary.
†Used as baseline for the respective type of BP.
‡Hazard ratios provided by author.
HBPNormotension<115And<75Yes or no11.0†
Prehypertension115–134Or75–84No2a1.9 (0.9 to 4.1)‡
Yes2b2.6 (1.2 to 5.5)‡
Stage 1 hypertension135–149Or85–94No3a2.4 (1.1 to 5.3)
Yes3b6.7 (3.2 to 14.3)‡
Stage 2 hypertension⩾150Or⩾95No4a2.9 (1.1 to 7.6)
Yes4b6.4 (2.8 to 14.6)
CBPNormotension<120And<80Yes or no11.0†
Prehypertension120–139Or80–89No2a0.9 (0.5 to 1.8)
Yes2b1.7 (0.9 to 3.0)‡
Stage 1 hypertension140–159Or90–99No3a0.7 (0.3 to 1.6)
Yes3b2.6 (1.4 to 4.9)‡
Stage 2 hypertension⩾160Or⩾100No4a2.1 (1.0 to 4.2)
Yes4b2.9 (1.3 to 6.6)