Annex 2 Comparative performance of algorithms for the general population and high-risk groups (not including people living with HIV)

The tables below contain modelled estimates of the performance and outcomes of the 10 screening algorithms described above, when applied to a population of 100,000 people being screened, across three different TB prevalence settings: 0.5%, 1% and 2%. 

1 – Screening with cough

2 – Parallel screening with cough and CXR

3 – Sequential positive serial screening with cough and CXR

4 – Sequential negative serial screening with cough and CXR

5 – Screening with any TB symptom

6 – Parallel screening with any TB symptom and CXR

7 – Sequential positive serial screening with any TB symptom and CXR

8 – Sequential negative serial screening with any TB symptom and CXR

9 – Screening with CXR followed by mWRD

10 – Screening with mWRD followed by diagnostic exam (consisting of repeated mWRD, CXR, other clinical tests and procedures as indicated)

100 000 people screened with 0.5% TB prevalence

Table A.2.2 100 000 people screened with 1% TB prevalence (with 1000 prevalent TB cases)

A2-2

 

Table A.2.3 100 000 people screened with 2% TB prevalence (with 2000 prevalent TB cases) 

A2-3

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