Table 3 Examination of outliers and internal consistency between indicators (2014–2017)

Percentage of values that are moderate outliers ^a

5.6

5.6

5.2

4.4

Percentage of values that are extreme outliers ^a

2.2

2.5

2.4

2.1

Number of districts reporting > 5% moderate outlier monthly values

51

55

47

28

Number of districts reporting > 5% extreme outlier monthly values

1

2

4

1

Percentage of events where confirmed cases > tested cases

0.06

0.03

0.01

0.01