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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)

473 questions in 36 reviews · HIV/AIDS

current versions
No studies 38 · 8%Ungraded 9 · 1.9%Very low 126 · 26.6%Low 127 · 26.8%Moderate 152 · 32.1%High 21 · 4.4%

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
An extended NVP regimen administered to infants for 14 weeks vs sdNVP plus ZDV (1week)
HIV Transmission or Death at 24 months among those uninfected at birth11 · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.71 [0.58, 0.87]1 study · 1129 participantsModerate
An extended NVP regimen administered to infants for 28 weeks vs 1 week of antiretroviral prophylaxis
HIV transmission at 28 weeks among those whose diagnostic testing was negative at 2 weeks after birth · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 0.29 [0.15, 0.56]1 study · 1447 participantsLow
An extended NVP regimen administered to infants for 28 weeks vs 1 week of antiretroviral prophylaxis
Infant mortality at 28 weeks among those whose diagnostic testing was negative at 2 weeks after birth · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 0.62 [0.28, 1.35]1 study · 1520 participantsLow
An extended NVP regimen administered to infants for 28 weeks vs 1 week of antiretroviral prophylaxis
HIV transmission or death at 28 weeks among those whose diagnostic test was negative at 2 weeks · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 0.38 [0.22, 0.65]1 study · 1447 participantsModerate
An extended NVP regimen administered to infants for 28 weeks vs 1 week of antiretroviral prophylaxis
Infants with Severe Adverse Events · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 1.25 [0.97, 1.61]1 study · 1520 participantsLow
A once‐daily NVP regimen administered for 6 months vs a once‐daily NVP regimen administered
HIV transmission at 12 months among infants whose HIV diagnostic testing was negative within 6 weeks of birth and whose mothers were not on HAART · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.65 [0.33, 1.28]1 study · 1078 participantsLow
A once‐daily NVP regimen administered for 6 months vs a once‐daily NVP regimen administered
HIV transmission at 12 months among all infants whose HIV diagnostic testing was negative within 6 weeks of birth · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.66 [0.34, 1.27]1 study · 1512 participantsLow
A once‐daily NVP regimen administered for 6 months vs a once‐daily NVP regimen administered
Infant mortality at 12 months among all those whose HIV diagnostic testing was negative within 6 weeks of birth · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.75 [0.41, 1.35]1 study · 1522 participantsLow
A once‐daily NVP regimen administered for 6 months vs a once‐daily NVP regimen administered
HIV transmission or death at 12 months among all infants whose HIV diagnostic testing was negative within 6 weeks of birth · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.66 [0.42, 1.05]1 study · 1522 participantsModerate
A once‐daily NVP regimen administered for 6 months vs a once‐daily NVP regimen administered
Infants with Severe Adverse Events · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 1 [0.95, 1.05]1 study · 1519 participantsHigh
A once‐daily NVP regimen administered for 6 months vs a once‐daily NVP regimen administered
HIV transmission at 6 months among infants whose HIV diagnostic testing was negative within 6 weeks of birth and whose mothers were not on HAART · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.41 [0.18, 0.9]1 study · 1078 participantsLow
An extended NVP regimen administered to infants for 14 weeks vs sdNVP plus ZDV (1week)
Infants with possible related Severe Adverse Events ‐ 24 months11 · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 1.06 [0.7, 1.59]1 study · 2019 participantsVery low
A once‐daily NVP regimen administered for 6 months vs a once‐daily NVP regimen administered
HIV transmission at 6 months among all infants whose HIV diagnostic testing was negative within 6 weeks of birth · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.46 [0.21, 0.99]1 study · 1512 participantsLow
A once‐daily NVP regimen administered for 6 months vs a once‐daily NVP regimen administered
Infant mortality at 6 months among all those whose HIV diagnostic testing was negative within 6 weeks of birth · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.44 [0.21, 0.95]1 study · 1522 participantsLow
A once‐daily NVP regimen administered for 6 months vs a once‐daily NVP regimen administered
HIV transmission or death at 6 months among all infants whose HIV diagnostic testing was negative within 6 weeks of birth · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.7 [0.38, 1.31]1 study · 1522 participantsLow
An extended antiretroviral regimen administered to mothers for 28 weeks vs an extended NVP regimen administered to infants
HIV transmission at 28 weeks among those whose diagnostic testing was negative at 2 weeks after birth · HIV‐infected mothers and their breastfeeding infants
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 1.78 [0.88, 3.59]1 study · 1618 participantsModerate
An extended antiretroviral regimen administered to mothers for 28 weeks vs an extended NVP regimen administered to infants
Infant mortality at 28 weeks among those whose diagnostic testing was negative at 2 weeks after birth · HIV‐infected mothers and their breastfeeding infants
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 1.09 [0.48, 2.47]1 study · 1701 participantsModerate
An extended antiretroviral regimen administered to mothers for 28 weeks vs an extended NVP regimen administered to infants
HIV transmission or death at 28 weeks among those whose diagnostic test was negative at 2 weeks · HIV‐infected mothers and their breastfeeding infants
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 1.6 [0.91, 2.82]1 study · 1618 participantsModerate
An extended antiretroviral regimen administered to mothers for 28 weeks vs an extended NVP regimen administered to infants
Infants with Severe Adverse Events · HIV‐infected mothers and their breastfeeding infants
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 0.89 [0.71, 1.12]1 study · 1701 participantsLow
An extended antiretroviral regimen administered to mothers for 28 weeks vs an extended NVP regimen administered to infants
Mothers with Severe Adverse Events · HIV‐infected mothers and their breastfeeding infants
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 2.8 [1.53, 5.11]1 study · 1701 participantsLow
An extended NVP regimen administered to infants for 14 weeks vs sdNVP plus ZDV (1week)
Infants with Probably Related Severe Adverse Events11 · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
RR 2.96 [0.6, 14.64]1 study · 2019 participantsVery low
An extended NVP plus ZDV regimen administered to infants for 14 weeks vs sdNVP plus ZDV (1 week)
HIV Transmission at 9 months among those whose HIV diagnostic testing was negative within 48 hours of birth · Breastfeeding infants of HIV‐infected mothers
Antiretroviral interventions for preventing breast milk transmission of HIV (2014) · Cochrane
HR 0.65 [0.48, 0.88]1 study · 2000 participantsModerate
Balanced nutritional supplement vs counselling or nutritional placebo
Energy intake (kcal/day) · patients with reducing morbidity and mortality in people with HIV
Nutritional interventions for reducing morbidity and mortality in people with HIV (2013) · Cochrane
no estimate extracted3 studies · 131 participantsLow
Balanced nutritional supplement vs counselling or nutritional placebo
Protein intake (g/day) · patients with reducing morbidity and mortality in people with HIV
Nutritional interventions for reducing morbidity and mortality in people with HIV (2013) · Cochrane
no estimate extracted2 studies · 81 participantsLow
Balanced nutritional supplement vs counselling or nutritional placebo
Body weight · patients with reducing morbidity and mortality in people with HIV
Nutritional interventions for reducing morbidity and mortality in people with HIV (2013) · Cochrane
no estimate extracted4 studies · 233 participantsModerate
Balanced nutritional supplement vs counselling or nutritional placebo
Fat mass measured in % of TBW · patients with reducing morbidity and mortality in people with HIV
Nutritional interventions for reducing morbidity and mortality in people with HIV (2013) · Cochrane
no estimate extracted4 studies · 233 participantsModerate
Balanced nutritional supplement vs counselling or nutritional placebo
Fat free mass · patients with reducing morbidity and mortality in people with HIV
Nutritional interventions for reducing morbidity and mortality in people with HIV (2013) · Cochrane
no estimate extracted3 studies · 218 participantsLow
Balanced nutritional supplement vs counselling or nutritional placebo
CD4 · patients with reducing morbidity and mortality in people with HIV
Nutritional interventions for reducing morbidity and mortality in people with HIV (2013) · Cochrane
no estimate extracted2 studies · 81 participantsLow
Balanced nutritional supplement vs counselling or nutritional placebo
Viral load (log10 copies/ml) · patients with reducing morbidity and mortality in people with HIV
Nutritional interventions for reducing morbidity and mortality in people with HIV (2013) · Cochrane
no estimate extracted1 study · 66 participantsVery low
Co‐formulated abacavir‐lamivudine‐zidovudine vs NNRTIs or PIs
Virologic failure 2 successive HIV‐1 RNA >= 200copies/ml at 16+ weeks after randomisation · Antiretroviral‐naive HIV infected patients
Co‐formulated abacavir‐lamivudine‐zidovudine for initial treatment of HIV infection and AIDS (2013) · Cochrane
RR 1.14 [0.56, 2.31]3 studies · 1687 participantsModerate
Co‐formulated abacavir‐lamivudine‐zidovudine vs NNRTIs or PIs
Virologic suppression Viral load < 50 copies/ml · Antiretroviral‐naive HIV infected patients
Co‐formulated abacavir‐lamivudine‐zidovudine for initial treatment of HIV infection and AIDS (2013) · Cochrane
RR 0.97 [0.75, 1.25]4 studies · 2247 participantsModerate
Co‐formulated abacavir‐lamivudine‐zidovudine vs NNRTIs or PIs
CD4 cell count · Antiretroviral‐naive HIV infected patients
Co‐formulated abacavir‐lamivudine‐zidovudine for initial treatment of HIV infection and AIDS (2013) · Cochrane
no estimate extracted3 studies · 1687 participantsModerate
Co‐formulated abacavir‐lamivudine‐zidovudine vs NNRTIs or PIs
Severe adverse events · Antiretroviral‐naive HIV infected patients
Co‐formulated abacavir‐lamivudine‐zidovudine for initial treatment of HIV infection and AIDS (2013) · Cochrane
RR 1.22 [0.78, 1.92]4 studies · 2247 participantsModerate
Co‐formulated abacavir‐lamivudine‐zidovudine vs NNRTIs or PIs
Hypersensitivity reactions · Antiretroviral‐naive HIV infected patients
Co‐formulated abacavir‐lamivudine‐zidovudine for initial treatment of HIV infection and AIDS (2013) · Cochrane
RR 4.04 [0.41, 40.02]4 studies · 2247 participantsModerate
Intervention NR
Failure (overall) · HIV‐infected adult patients treated with a PI‐containing regimen with undetectable viral load
Abacavir‐based triple nucleoside regimens for maintenance therapy in patients with HIV (2013) · Cochrane
RR 0.88 [0.74, 1.04]8 studies · 1606 participantsModerate
Intervention NR
Discontinuation for adverse events · HIV‐infected adult patients treated with a PI‐containing regimen with undetectable viral load
Abacavir‐based triple nucleoside regimens for maintenance therapy in patients with HIV (2013) · Cochrane
RR 0.68 [0.44, 1.07]8 studies · 1597 participantsModerate
Intervention NR
Virologic failure · HIV‐infected adult patients treated with a PI‐containing regimen with undetectable viral load
Abacavir‐based triple nucleoside regimens for maintenance therapy in patients with HIV (2013) · Cochrane
RR 1.39 [0.95, 2.02]8 studies · 1587 participantsModerate
Intervention NR
Death and AIDS related events · HIV‐infected adult patients treated with a PI‐containing regimen with undetectable viral load
Abacavir‐based triple nucleoside regimens for maintenance therapy in patients with HIV (2013) · Cochrane
RR 1.66 [0.62, 4.42]4 studies · 1044 participantsLow
Intervention NR
Virologically linked HIV incidence (RCT) · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
Rate Ratio 0.04 [0, 0.27]1 study · 1750 participantsHigh
Intervention NR
HIV incidence: low‐/middle‐income countries · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
RR 0.53 [0.29, 0.97]7 studies · 45029 participantsLow
Intervention NR
HIV incidence: high income countries · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
RR 0.77 [0.33, 1.83]2 studies · 1061 participantsVery low
Intervention NR
HIV incidence (observational studies) · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
Rate Ratio 0.58 [0.35, 0.96]9 studies · 46204 participantsModerate
Intervention NR
HIV incidence (observational studies‐‐sensitivity analysis) · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
Rate Ratio 0.36 [0.17, 0.75]7 studies · 46560 participantsModerate
Intervention NR
HIV incidence: CD4 subgroups (<200 cells/µL) (observational studies) · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
RR 0.12 [0.02, 0.81]5 studies · 26594 participantsLow
Intervention NR
HIV incidence: CD4 subgroups (200‐350 CD4 cells/µL) (observational studies) · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
RR 0.66 [0.47, 0.92]4 studies · 9595 participantsVery low
Intervention NR
HIV incidence: CD4 subgroups (350 or more CD4 cells/µL) (observational studies) · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
RR 0.123 studies · 13426 participantsLow
Intervention NR
Virologically linked HIV incidence: CD4 subgroups (350 or more CD4 cells/µL) (RCT) · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
RR 0.04 [0, 0.27]1 study · 1750 participantsHigh
Intervention NR
HIV incidence: gender subgroup (female cases) · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
RR 0.39 [0.13, 1.18]3 studies · 15608 participantsLow
Intervention NR
HIV incidence: gender subgroup (male Cases) · Serodiscordant couples
Antiretroviral therapy for prevention of HIV transmission in HIV‐discordant couples (2013) · Cochrane
RR 0.11 [0.01, 1.62]3 studies · 25073 participantsLow
Intervention NR
ART adherence · People living with HIV infection
Telephone delivered interventions for reducing morbidity and mortality in people with HIV infection (2013) · Cochrane
no estimate extracted3 studies · 191 participantsLow