Cardiovascular disease prevention in rural Nigeria in the context of a community based health insurance scheme: QUality Improvement Cardiovascular care Kwara-I (QUICK-I)

Table 4 Definitions of significant improvement per risk factor

Risk factor	Significant improvement
Blood pressure	Blood pressure at target level:
	Patients without diabetes or established cardiovascular disease (CVD): < 140 mmHg systolic and < 90 mmHg diastolic.
	Patients with diabetes, renal disease or establish CVD: < 130 mm Hg systolic and 80 mmHg diastolic.
	For those who do not reach target levels: blood pressure decrease of > 10% systolic or diastolic
Dyslipidemia	Lipid profile at target level:
	Primary prevention: total cholesterol (TC) < 5.0 mmol/L and low density lipoprotein (LDL) cholesterol < 3.0 mmol/l.
	Secondary prevention: TC < 4.0 mmol/L and LDL cholesterol < 2.5 mmol/l.
	For those who do not reach target levels: reduction in total cholesterol ≥ 25% or LDL ≥ 30% (whichever is greater).
Diabetes	Fasting plasma glucose < 7.0 mmol/l
	Random plasma glucose of < 12 mmol/l
Abdominal Obesity	Reduction of waist circumference to ≤ 102 cm (M), ≤ 88 cm (F)
Left Ventricular Hypertrophy (LVH)	Regression of LVH (electrocardiogram based) according to Sokolov-Lyon criteria [44]
Microalbuminuria	Disappearance of microalbuminuria (< 30 mg/ml in spot morning urine)
Proteinuria	Disappearance of proteinuria (negative quantitative dipstick)
Renal impairment	Improvement in creatinine clearance to a new estimated glomerular filtration rate class [45] after treatment.
Smoking	Quit smoking