Identification of effective screening strategies for cardiovascular disease prevention in a developing country: using cardiovascular risk-estimation and risk-reduction tools for policy recommendations

Table 4 Incremental coverage and detection of high cardiovascular risk populations for various screening strategies

	Targeted screening				Universal
	≥ age 50†	≥ age 45	≥ age 40	≥ age 35	screening
Strategies implemented incrementally*
Additional % of population screened	-	24.27	20.79	20.45	18.39
Additional coverage of high risk population screened	-	4.32	1.11	0.18	0.00
% of additional high risk individuals detected	-	4.59	1.11	0.17	0.01
Additional NNS to detect 1 high risk individual	-	9.81	41.20	309.67	7168.90
Males
Additional % of population screened	-	26.96	22.20	21.99	19.12
Additional coverage of high risk population screened	-	5.62	1.53	0.25	0.00
% of additional high risk individuals detected	-	6.08	1.55	0.25	0.01
Additional NNS to detect 1 high risk individual	-	6.12	23.61	176.52	5179.06
Females
Additional % of population screened	-	21.88	19.49	19.00	17.67
Additional coverage of high risk population screened	-	1.97	0.41	0.01	0.00
% of additional high risk individuals detected	-	2.04	0.36	0.05	0.01
Additional NNS to detect 1 high risk individual	-	28.53	173.39	1525.92	5876.37

* reference screening strategy is directly to the left of screening strategy assessed.
† first reference group (for ages ≥ 45).
NNS numbers needed to screen.

ISSN: 1471-2261