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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

1,518 questions in 135 reviews · Infectious Diseases

current versions
No studies 135 · 8.9%Ungraded 150 · 9.9%Very low 350 · 23.1%Low 420 · 27.7%Moderate 321 · 21.1%High 142 · 9.4%

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.

QuestionEffectEvidenceStatus / GRADE
Intervention NR
Pooled sensitivity 87% (75% to 93%) · children with close tuberculosis contacts Index test: abnormal chest radiography Role: an initial test Threshold for…
Screening tests for active pulmonary tuberculosis in children (2021) · Cochrane
no estimate extracted8 studies · 232 participantsLow
Intervention NR
Pooled specificity 99% (68% to 100%) · children with close tuberculosis contacts Index test: abnormal chest radiography Role: an initial test Threshold for…
Screening tests for active pulmonary tuberculosis in children (2021) · Cochrane
no estimate extracted8 studies · 3281 participantsLow
Intervention NR
Estimations · children evaluated in inpatient or outpatient settings Index tests: Xpert MTB/RIF Role: an initial test Threshold for…
Screening tests for active pulmonary tuberculosis in children (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Sensitivities 43% and 100% · children evaluated in inpatient or outpatient settings Index tests: Xpert MTB/RIF Role: an initial test Threshold for…
Screening tests for active pulmonary tuberculosis in children (2021) · Cochrane
no estimate extracted2 studies · 16 participantsVery low
Intervention NR
Index test, population · people living with HIV and non‐hospitalized people in high‐risk groups
Xpert MTB/RIF and Xpert Ultra assays for screening for pulmonary tuberculosis and rifampicin resistance in… (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Xpert MTB/RIF, people living with HIV · people living with HIV and non‐hospitalized people in high‐risk groups
Xpert MTB/RIF and Xpert Ultra assays for screening for pulmonary tuberculosis and rifampicin resistance in… (2021) · Cochrane
no estimate extracted12 studies · 602 participantsModerate
Intervention NR
Xpert Ultra, people living with HIV · people living with HIV and non‐hospitalized people in high‐risk groups
Xpert MTB/RIF and Xpert Ultra assays for screening for pulmonary tuberculosis and rifampicin resistance in… (2021) · Cochrane
no estimate extracted1 study · 68 participantsVery low
Intervention NR
Xpert MTB/RIF, non‐hospitalized people in high‐risk groups · people living with HIV and non‐hospitalized people in high‐risk groups
Xpert MTB/RIF and Xpert Ultra assays for screening for pulmonary tuberculosis and rifampicin resistance in… (2021) · Cochrane
no estimate extracted5 studies · 337 participantsLow
Intervention NR
Index test · people in high‐risk groups
Xpert MTB/RIF and Xpert Ultra assays for screening for pulmonary tuberculosis and rifampicin resistance in… (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Xpert MTB/RIF · people in high‐risk groups
Xpert MTB/RIF and Xpert Ultra assays for screening for pulmonary tuberculosis and rifampicin resistance in… (2021) · Cochrane
no estimate extracted2 studies · 20 participantsVery low
Effect of LF‐LAM vs no LF‐LAM on mortality and tuberculosis treatment initiation
Mortality at 8 weeks · adults living with HIV
Impact of diagnostic strategies for tuberculosis using lateral flow urine lipoarabinomannan assay in people… (2021) · Cochrane
RR 0.85 [0.76, 0.94]2 studies · 5102 participantsModerate
Effect of LF‐LAM vs no LF‐LAM on mortality and tuberculosis treatment initiation
People started on tuberculosis treatment · adults living with HIV
Impact of diagnostic strategies for tuberculosis using lateral flow urine lipoarabinomannan assay in people… (2021) · Cochrane
RR 1.26 [0.94, 1.69]2 studies · 5102 participantsModerate
Effect of LF‐LAM vs no LF‐LAM on mortality and tuberculosis treatment initiation
Mortality at 6 months · adults living with HIV
Impact of diagnostic strategies for tuberculosis using lateral flow urine lipoarabinomannan assay in people… (2021) · Cochrane
RR 0.89 [0.71, 1.11]1 study · 2972 participantsLow
Effect of LF‐LAM vs no LF‐LAM on mortality and tuberculosis treatment initiation
People started on tuberculosis treatment · adults living with HIV
Impact of diagnostic strategies for tuberculosis using lateral flow urine lipoarabinomannan assay in people… (2021) · Cochrane
RR 5.441 study · 3022 participantsLow
Intervention NR
All‐cause mortality · ≥ 15‐year‐old people with late second stage human African gambiense trypanosomiasis (trypanosomes in blood or nymph…
Chemotherapy for second‐stage human African trypanosomiasis: drugs in use (2021) · Cochrane
RR 2.22 [0.49, 10.11]1 study · 394 participantsLow
Intervention NR
Relapsec · ≥ 15‐year‐old people with late second stage human African gambiense trypanosomiasis (trypanosomes in blood or nymph…
Chemotherapy for second‐stage human African trypanosomiasis: drugs in use (2021) · Cochrane
RD 0.05 [0.02, 0.08]1 study · 394 participantsModerate
Intervention NR
Serious adverse events · ≥ 15‐year‐old people with late second stage human African gambiense trypanosomiasis (trypanosomes in blood or nymph…
Chemotherapy for second‐stage human African trypanosomiasis: drugs in use (2021) · Cochrane
RR 1.17 [0.64, 2.17]1 study · 394 participantsVery low
Intervention NR
Adverse events · ≥ 15‐year‐old people with late second stage human African gambiense trypanosomiasis (trypanosomes in blood or nymph…
Chemotherapy for second‐stage human African trypanosomiasis: drugs in use (2021) · Cochrane
RR 1.01 [0.95, 1.06]1 study · 394 participantsModerate
Intervention NR
Diarrhoea lasting ≥ 48 hours · children and adults with acute infectious diarrhoea
Probiotics for treating acute infectious diarrhoea (2020) · Cochrane
RR 1 [0.91, 1.09]2 studies · 1770 participantsModerate
Intervention NR
Mean duration of diarrhoea (hours) · children and adults with acute infectious diarrhoea
Probiotics for treating acute infectious diarrhoea (2020) · Cochrane
no estimate extracted6 studies · 3058 participantsVery low
Intervention NR
Treatment failure day‐28 PCR‐adjusted(PP population) · children aged 14 years or younger with uncomplicated P falciparum malaria
Paediatric formulations of artemisinin‐based combination therapies for treating uncomplicated malaria in… (2020) · Cochrane
RR 1.35 [0.49, 3.72]2 studies · 1061 participantsLow
Intervention NR
Treatment failureday‐28 PCR‐adjusted(ITT population) · children aged 14 years or younger with uncomplicated P falciparum malaria
Paediatric formulations of artemisinin‐based combination therapies for treating uncomplicated malaria in… (2020) · Cochrane
RR 1.05 [0.68, 1.62]2 studies · 1139 participantsLow
Intervention NR
Serious adverse events · children aged 14 years or younger with uncomplicated P falciparum malaria
Paediatric formulations of artemisinin‐based combination therapies for treating uncomplicated malaria in… (2020) · Cochrane
RR 1.05 [0.38, 2.88]2 studies · 1197 participantsLow
Intervention NR
Drug‐related adverse events · children aged 14 years or younger with uncomplicated P falciparum malaria
Paediatric formulations of artemisinin‐based combination therapies for treating uncomplicated malaria in… (2020) · Cochrane
RR 0.78 [0.62, 0.99]2 studies · 1197 participantsModerate
Intervention NR
Drug‐related vomiting · children aged 14 years or younger with uncomplicated P falciparum malaria
Paediatric formulations of artemisinin‐based combination therapies for treating uncomplicated malaria in… (2020) · Cochrane
RR 0.75 [0.56, 1.01]2 studies · 1197 participantsLow
Intervention NR
Acceptability · children aged 14 years or younger with uncomplicated P falciparum malaria
Paediatric formulations of artemisinin‐based combination therapies for treating uncomplicated malaria in… (2020) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
P vivax parasitaemia during 6 months of · adults with P vivax malaria
Tafenoquine for preventing relapse in people with Plasmodium vivax malaria (2020) · Cochrane
RR 0.32 [0.12, 0.88]2 studies · 504 participantsModerate
Intervention NR
Serious adverse events · adults with P vivax malaria
Tafenoquine for preventing relapse in people with Plasmodium vivax malaria (2020) · Cochrane
RR 1.34 [0.63, 2.84]2 studies · 504 participantsVery low
Intervention NR
Any adverse event · adults with P vivax malaria
Tafenoquine for preventing relapse in people with Plasmodium vivax malaria (2020) · Cochrane
RR 0.96 [0.81, 1.13]2 studies · 504 participantsModerate
Intervention NR
P vivax parasitaemia during 6 months of · adults and children with P vivax malaria
Tafenoquine for preventing relapse in people with Plasmodium vivax malaria (2020) · Cochrane
1.04 [0.8, 1.34]3 studies · 747 participantsModerate
Intervention NR
Serious adverse events · adults and children with P vivax malaria
Tafenoquine for preventing relapse in people with Plasmodium vivax malaria (2020) · Cochrane
RR 1.41 [0.7, 2.83]3 studies · 747 participantsVery low
Intervention NR
Any adverse event · adults and children with P vivax malaria
Tafenoquine for preventing relapse in people with Plasmodium vivax malaria (2020) · Cochrane
RR 1.01 [0.89, 1.14]3 studies · 747 participantsModerate
Any anthelmintic drug single dose vs placebo
Parasitological cure · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
RR 6.29 [3.91, 10.12]8 studies · 1578 participantsModerate
Albendazole single dose vs ivermectin single dose cure rate
Parasitological cure · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
RR 0.99 [0.91, 1.08]3 studies · 519 participantsModerate
Albendazole single dose vs ivermectin single dose cure rate
Faecal egg count · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
no estimate extracted2 studies · 315 participantsHigh
Albendazole single dose vs ivermectin single dose cure rate
Adverse outcomes · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
no estimate extracted1 study · 204 participantsLow
Any anthelmintic drug single dose vs placebo
Faecal egg count · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
no estimate extracted5 studies · 1020 participantsHigh
Any anthelmintic drug single dose vs placebo
Adverse events · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
no estimate extracted4 studies · 744 participantsModerate
Albendazole 400 mg single dose vs albendazole 400 mg multiple doses
Parasitological cure · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
RR 0.98 [0.92, 1.05]3 studies · 307 participantsHigh
Albendazole 400 mg single dose vs albendazole 400 mg multiple doses
Faecal eggs count · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
no estimate extracted2 studies · 249 participantsModerate
Albendazole 400 mg single dose vs albendazole 400 mg multiple doses
Adverse events · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
no estimate extracted3 studies · 316 participantsModerate
Albendazole 400 mg single dose vs mebendazole 500 mg single dose
Parasitological cure · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
RR 1.01 [1, 1.02]6 studies · 2131 participantsHigh
Albendazole 400 mg single dose vs mebendazole 500 mg single dose
Faecal egg count · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
no estimate extracted5 studies · 1902 participantsHigh
Albendazole 400 mg single dose vs mebendazole 500 mg single dose
Adverse events · children and adults
Anthelmintic drugs for treating ascariasis (2020) · Cochrane
no estimate extracted5 studies · 1902 participantsLow
Intervention NR
Recurrence of P vivax parasitaemia · adults and children with confirmed clinical and parasitological P vivax malaria
Primaquine alternative dosing schedules for preventing malaria relapse in people with Plasmodium vivax (2020) · Cochrane
RR 0.96 [0.66, 1.39]4 studies · 1211 participantsLow
Intervention NR
Anaemia (haemoglobin < 7 g/dL) · adults and children with confirmed clinical and parasitological P vivax malaria
Primaquine alternative dosing schedules for preventing malaria relapse in people with Plasmodium vivax (2020) · Cochrane
no estimate extracted1 study · 129 participantsUngraded
Intervention NR
Recurrence of P vivax parasitaemia · adults and children with confirmed clinical and parasitological P vivax malaria
Primaquine alternative dosing schedules for preventing malaria relapse in people with Plasmodium vivax (2020) · Cochrane
RR 1.03 [0.82, 1.3]2 studies · 2526 participantsModerate
Intervention NR
Serious adverse events · adults and children with confirmed clinical and parasitological P vivax malaria
Primaquine alternative dosing schedules for preventing malaria relapse in people with Plasmodium vivax (2020) · Cochrane
RR 12.03 [1.57, 92.3]1 study · 1872 participantsLow
Intervention NR
Adverse events the resulted in discontinuation of treatment · adults and children with confirmed clinical and parasitological P vivax malaria
Primaquine alternative dosing schedules for preventing malaria relapse in people with Plasmodium vivax (2020) · Cochrane
RR 2.5 [0.49, 12.87]2 studies · 2526 participantsVery low
Intervention NR
Anaemia · adults and children with confirmed clinical and parasitological P vivax malaria
Primaquine alternative dosing schedules for preventing malaria relapse in people with Plasmodium vivax (2020) · Cochrane
RR 0.93 [0.62, 1.41]2 studies · 2440 participantsVery low