Development of a stochastic agent-based model to evaluate surveillance strategies for detection of emergent porcine reproductive and respiratory syndrome strains

Table 4 Mean (%), standard deviation (%), minimum (%) and maximum (%) surveillance system sensitivities; and median total of infected sites according to surveillance scenarios evaluated

Scenario^a	Surveillance system sensitivity^b				Median of total infected sites (IQR)^c
	Mean	SD	Minimum	Maximum
Random_1	17.6	21.7	0	100.0	26.0 (100.0)
Random_2	7.5	11.3	0	50.0	18.0 (69.0)
Random_5	10.7	25.9	0	100.0	21.0 (101.0)
HR_1	14.1	23.4	0	100.0	24.0 (101.5)
HR_2	18.2	30.8	0	100.0	22.0 (100.0)
HR_5	6.9	19.5	0	100.0	24.0 (100.0)
HC_1	20.4	29.4	0	100.0	26.0 (101.0)
HC_2	7.9	18.3	0	100.0	24.0 (101.0)
HC_5	3.6	5.3	0	23.0	23.0 (139.0)
HR/HR_1	7.2	18.2	0	100.0	20.0 (101.0)
HR/HC_2	7.9	18.4	0	100.0	18.0 (94.0)
HR/HC_5	9.9	24.9	0	100.0	24.0 (100.0)

^aEach scenario consisted of 1000 simulations; please refer to Table 3 for detailed scenario definitions
^bCalculated as the fraction of number of cases detected divided by the total of infected cases, for each simulation, considering in a period of approximately three years
^cInterquartile range

ISSN: 1746-6148