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Table 1 Detection, registration, verification and risk analysis of signals and events (n = 53)

From: Structure, functions, performance and gaps of event-based surveillance (EBS) in Sudan, 2021: a cross-sectional review

Variables

Frequency

%

Ever detect a signal/ event at state level

45

84.9

State with a register for signals/events

38

71.7

Event has a unique serial number

20

37.7

Event notification date and time documented

40

75.5

Initial cause of the event registered

33

62.3

There is a description for the event

36

67.9

Cases and deaths reported

40

75.5

Event place stated

41

77.4

Event source of information stated

38

71.7

State has databases

29

54.7

State has e-system

21

39.6

Respondents know verification time

33

62.3

State has a list of experts

25

47.2

State has a Public Health Lab

19

35.8

State analyses data on regular basis

22

41.5

State has risk analysis team

36

67.9

State conduct risk analysis for the detected signals/ events

46

86.8

State use MOH or WHO tool for risk analysis

44

83.0

Last risk analysed

30

56.6