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Table 4 Proper thresholds identified for the 6 infectious diseases in the Songjiang District of Shanghai, China

From: How to select a proper early warning threshold to detect infectious disease outbreaks based on the China infectious disease automated alert and response system (CIDARS)

Infectious diseases Proper Early-alert
Thresholds
Se (%) Sp (%) YI (%) CR Thresholds recommended by the China CDC
Chickenpox P75 100.00 90.20 90.20 0.90 P80
Mumps P80 100.00 96.15 96.15 0.96 P80
Influenza P75 100.00 64.00 64.00 0.65 P80
Rubella P45 50.00 60.87 11.87 0.60 P80
HFMD P75 100.00 33.33 33.33 0.71 P80
Scarlet fever P80 100.00 55.00 55.00 0.65 P80