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Table 4 Details of selected Farrington variants, including parameter settings

From: Comparing malaria early detection methods in a declining transmission setting in northwestern Ethiopia

Farrington Label Description Selected Parameters
A1 Original Farrington method,
Base settings,
No seasonality,
No population offset
Window half size (w) = 3; Years (b) = 5; Seasonality periods = 1; Trend conditionally included (at 0.05 alpha threshold); Past weeks to exclude = w
A2 Original Farrington method,
Base settings,
Seasonality with four periods
Window half size (w) = 3; Years (b) = 5;
Seasonality periods = 4; Trend conditionally included (at 0.05 alpha threshold); Past weeks to exclude = w
B1 Improved Farrington method,
Base settings,
No seasonality
Window half size (w) = 3; Years (b) = 5;
Seasonality periods = 1; Trend included; Past weeks to exclude = 26
B2 Improved Farrington method,
Base settings,
Seasonality with four periods
Window half size (w) = 3; Years (b) = 5; Seasonality periods = 4; Trend included; Past weeks to exclude = 26
C1 Improved with population offset;
Highest true positive in highest caught set
Window half size (w) = 5; Years (b) = 4; Seasonality periods = 4; Trend included; Past weeks to exclude = 26
C2 Improved with population offset;
Highest caught in highest true positive set
Window half size (w) = 3; Years (b) = maximum; Seasonality periods = 8; Trend excluded; Past weeks to exclude = w
C3 Improved with population offset;
Balanced trade-off option
Window half size (w) = 3; Years (b) = 5; Seasonality periods = 8; Trend excluded; Past weeks to exclude = w
C4 Improved with population offset;
Selected balanced trade-off
Window half size (w) = 5; Years (b) = 3; Seasonality periods = 4; Trend excluded; Past weeks to exclude = w