Table 5.

Findings of intervention studies

Paper	BP thresholds	Outcome	Results	Significance
Bonds et al 34	> 140/90 (> 130/90 with diabetes or renal disease)	Rates of undiagnosed hypertension	18.1% in the intervention group, 13.6% in the controls	P=0.12
Cottrell et al 35	> 140/90 or >130/90 in diabetes or CKD	% of patients with an initial raised BP who have hypertension confirmed or not	1166 of 1468 (79%) submitted further BP readings	–
Hemming et al 36	Not stated	Measurement of BP; treatment with antihypertensives	BP was measured in 27.8% of control and 43.9% of intervention group patients 7.5% of control and 11.4% of intervention group patients started on antihypertensives	BP measurement—P=0.022; starting antihypertensives—time-adjusted OR 7.7 (−0.1–15.5) P=0.054

BP, blood pressure; CKD, chronic kidney disease.