Cochrane · systematic review · CD012768

Xpert MTB/RIF Ultra and Xpert MTB/RIF assays for extrapulmonary tuberculosis and rifampicin resistance in adults

Kohli, M, Schiller, I, Dendukuri, N, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

Infectious Diseases2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
24
current version
GRADE rated
16
No studies
8
Included studies
NR
No studies 8 · 33.3%Ungraded 0 · 0%Very low 8 · 33.3%Low 4 · 16.7%Moderate 4 · 16.7%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Show all 2 versions

Xpert Ultra and Xpert MTB/RIF in cerebrospinal fluid

6 questions
OutcomeEffectEvidenceStatus / GRADE
Xpert Ultra result
no estimate extractedNRNo studies
True‐positives (participants with TB meningitis)
no estimate extracted6 studies · 89 participantsLow
Downgraded: imprecision
False‐negatives (participants incorrectly classified as not having TB meningitis)
no estimate extracted6 studies · 89 participantsLow
Downgraded: imprecision
True‐negatives (participants without TB meningitis)
no estimate extracted6 studies · 386 participantsModerate
Downgraded: imprecision
False‐positives (participants incorrectly classified as having TB meningitis)
no estimate extracted6 studies · 386 participantsModerate
Downgraded: imprecision
Xpert MTB/RIF result
no estimate extractedNRNo studies

Xpert Ultra and Xpert MTB/RIF in pleural fluid

6 questions
OutcomeEffectEvidenceStatus / GRADE
Xpert Ultra result
no estimate extractedNRNo studies
True‐positives (patients with pleural TB)
no estimate extracted4 studies · 158 participantsVery low
Downgraded: imprecision, inconsistency, indirectness
False‐negatives (patients incorrectly classified as not having pleural TB)
no estimate extracted4 studies · 158 participantsVery low
Downgraded: imprecision, inconsistency, indirectness
True‐negatives (patients without pleural TB)
no estimate extracted4 studies · 240 participantsVery low
Downgraded: imprecision, inconsistency, indirectness
False‐positives (patients incorrectly classified as having pleural TB)
no estimate extracted4 studies · 240 participantsVery low
Downgraded: imprecision, inconsistency, indirectness
Xpert MTB/RIF result
no estimate extractedNRNo studies

Xpert Ultra and Xpert MTB/RIF in lymph node aspirate

6 questions
OutcomeEffectEvidenceStatus / GRADE
Xpert Ultra result
no estimate extractedNRNo studies
True‐positives (patients with lymph node TB)
no estimate extracted1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
False‐negatives (patients incorrectly classified as not having lymph node TB)
no estimate extracted1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
True‐negatives (patients without lymph node TB)
no estimate extracted1 study · 43 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
False‐positives (patients incorrectly classified as having lymph node TB)
no estimate extracted1 study · 43 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Xpert MTB/RIF result
no estimate extractedNRNo studies

Xpert Ultra and Xpert MTB/RIF for rifampicin resistance

6 questions
OutcomeEffectEvidenceStatus / GRADE
Xpert Ultra result
no estimate extractedNRNo studies
True‐positives (patients correctly classified as rifampicin resistant)
no estimate extracted4 studies · 24 participantsLow
Downgraded: imprecision, indirectness
False‐negatives (patients incorrectly classified as rifampicin susceptible)
no estimate extracted4 studies · 24 participantsLow
Downgraded: imprecision, indirectness
True‐negatives (patients correctly classified as rifampicin susceptible)
no estimate extracted4 studies · 105 participantsModerate
Downgraded: imprecision, indirectness
False‐positives (patients incorrectly classified as rifampicin resistant)
no estimate extracted4 studies · 105 participantsModerate
Downgraded: imprecision, indirectness
Xpert MTB/RIF result
no estimate extractedNRNo studies