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Table 2 Outbreak weeks detected per threshold approach and the difference in weeks detected for specific threshold approaches for selected districts in Uganda, 2022

From: Evaluation of malaria outbreak detection methods, Uganda, 2022

Region

District

Total number of outbreak weeks detected per method

Statistical difference in weeks detected by the methods (p-value)

C-SUM

75%

Mean + 2SD

C-SUM + 2SD

85%

C-SUM vs. 75th Perc

75% vs. Mean + 2 SD

75% vs. 85%

Mean + 2SD vs. C-SUM + 2SD

 

High transmission regions

West Nile

Yumbe

42

31

2

2

21

0.02

 < 0.001

0.04

1

West Nile

Nebbi

32

23

2

2

13

0.08

 < 0.001

0.04

1

Acholi

Lamwo

46

33

6

6

26

0.003

 < 0.001

0.02

1

  

Medium transmission regions

Acholi

Nwoya

42

30

1

1

17

0.02

 < 0.001

0.01

1

Karamoja

Moroto

48

37

10

11

29

0.01

 < 0.001

0.1

1

South Central

Butambala

38

20

5

5

14

 < 0.001

 < 0.001

0.21

1

Tooro

Bundibugyo

45

39

26

25

35

0.14

0.01

0.39

0.84

  

Low transmission regions

Kigezi

Kanungu

35

27

11

11

17

0.06

0.03

0.42

1

Lango

Alebtong

52

50

39

40

49

0.15

0.004

1

0.8

Bukedi

Kibuku

52

52

47

47

52

1

0.05

1

1

South Central

Mpigi

19

21

3

2

9

0.69

 < 0.01

1

1

  

Very low transmission regions

Tooro

Ntoroko

50

46

38

37

44

0.37

0.04

0.57

0.83

Kigezi

Rukiga

47

47

29

29

38

1

 < 0.001

0.02

1

Kigezi

Kisoro

26

34

0

0

7

0.17

 < 0.001

 < 0.001

1

Kigezi

Rubanda

20

14

0

0

7

0.14

 < 0.001

0.05

1

Bugisu

Bukwo

38

34

12

9

25

0.07

 < 0.001

0.08

0.46

  1. 75%: 75th percentile; 85%: 85th percentile