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Table 4 List of indicators and scores [1 (< 60%): weak performance; 2 (60–79%): moderate performance; 3 (≥80%) good performance] for simplicity used for the evaluation of the influenza sentinel surveillance system in the Democratic Republic of Congo, 2012–2015

From: Evaluation of the influenza sentinel surveillance system in the Democratic Republic of Congo, 2012–2015

Indicator

Calculation/data inputs

Data source

Indicator valuea

Score

Simplicity

 • Perception of surveillance staff on identification of casesb

Number of surveillance staff within each reported category / Number of surveillance staff interviewed

Questionnaire survey among surveillance staff at sentinel sites

VD: 0.0%

D: 0.0%

E: 82.9%

VE: 17.1%

3

 • Perception of surveillance staff on obtaining consentb

Number of surveillance staff within each reported category / Number of surveillance staff interviewed

Questionnaire survey among surveillance staff at sentinel sites

VD: 0.0%

D: 8.6%

E: 71.4%

VE: 20.0%

3

 • Perception of surveillance staff on filling the CIFb

Number of surveillance staff within each reported category / Number of surveillance staff interviewed

Questionnaire survey among surveillance staff at sentinel sites

VD: 0.0%

D: 2.9%

E: 80.0%

VE: 17.1%

3

 • Perception of surveillance staff on sample collectionb

Number of surveillance staff within each reported category / Number of surveillance staff interviewed

Questionnaire survey among surveillance staff at sentinel sites

VD: 0.0%

D: 5.7%

E: 80.0%

VE: 14.3%

3

 • Perception of surveillance staff on sample collectionb

Number of surveillance staff within each reported category / Number of surveillance staff interviewed

Questionnaire survey among surveillance staff at sentinel sites

VD: 0.0%

D: 0.0%

E: 79.4%

VE: 20.6%

3

 • Perception of surveillance staff on packaging and storage of samplesb

Number of surveillance staff within each reported category / Number of surveillance staff interviewed

Questionnaire survey among surveillance staff at sentinel sites

VD: 0.0%

D: 0.0%

E: 82.4%

VE: 17.6%

3

 • Perception of surveillance staff on completing the screening/enrollment logbookb

Number of surveillance staff within each reported category / Number of surveillance staff interviewed

Questionnaire survey among surveillance staff at sentinel sites

VD: 0.0%

D: 0.0%

E: 82.4%

VE: 17.6%

3

 • Perception of surveillance staff on sending weekly SMS of aggregated datab

Number of surveillance staff within each reported category / Number of surveillance staff interviewed

Questionnaire survey among surveillance staff at sentinel sites

VD: 0.0%

D: 6.3%

E: 71.9%

VE: 21.9%

3

 • Time to enroll a SARI/ILI case from the identification to the sample packagingc

Number of surveillance staff within each reported category (< 30 min, 30–60 min, > 60 min) / Number of surveillance staff interviewed

Questionnaire for surveillance staff at sentinel sites

< 30: 48.6%

30–60: 40.0%

> 60: 11.4%

2

 • Perception of INRB laboratory staff on completing the laboratory registerc

Number of lab staff within each reported category / Number of laboratory staff interviewed

Questionnaire survey among laboratory staff at INRB

VD: 0.0%

D: 0.0%

E: 66.7%

VE: 33.3%

3

 • Perception of INRB laboratory staff to implement testing proceduresc

Number of lab staff within each reported category / Number of laboratory staff interviewed

Questionnaire survey among laboratory staff at INRB

VD: 0.0%

D: 0.0%

E: 100.0%

VE: 0.0%

3

 • Time to implement all steps of analysis of laboratory testingb

Number of laboratory staff within each reported category (< 30 min, 30–60 min, > 60 min) / Number of laboratory staff interviewed

Questionnaire survey among laboratory staff at INRB

< 30: 0.0%

30–60: 100.0%

> 60: 0.0

3

  1. Abbreviations: ILI influenza-like-illness, SARI severe acute respiratory illness, SMS short message service, INRB Institut National de Recherche Biomédicale, CIF Case Investigation Form
  2. a VD: very difficult; D: difficult; E: easy; VE: very easy. The combined percentage of “easy” and “very easy” was used to obtain the score
  3. b 35 surveillance staff at the sentinel sites out of 39 targeted responded to the questionnaire survey
  4. c 3 laboratory scientists at the INRB out of 4 targeted responded to the questionnaire survey