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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)

1,554 questions in 140 reviews · Heart

current versions
No studies 272 · 17.5%Ungraded 44 · 2.8%Very low 329 · 21.2%Low 464 · 29.9%Moderate 319 · 20.5%High 126 · 8.1%

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
Interleukin‐2 RA vs polyclonal antibody induction
Cytomegalovirus infection Number of participants diagnosed with CMV infection · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 0.97 [0.53, 1.75]4 studies · 185 participantsLow
Interleukin‐2 RA vs polyclonal antibody induction
Post‐transplantation lymphoproliferative disorder Number of participants diagnosed with PTLD · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
no estimate extracted4 studies · 185 participantsLow
Interleukin‐2 RA vs polyclonal antibody induction
Cancer Number of participants diagnosed with cancer · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 9 [0.52, 156.91]4 studies · 185 participantsLow
Monoclonal antibody vs polyclonal antibody
Mortality Mortality at latest · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 1 [0.9, 1.1]7 studies · 315 participantsLow
Monoclonal antibody vs polyclonal antibody
Acute rejection Acute rejection grade 3A or more verified by biopsy · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 0.96 [0.67, 1.37]3 studies · 146 participantsLow
Monoclonal antibody vs polyclonal antibody
Infection Number of participants diagnosed with infection · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 1.12 [0.91, 1.39]5 studies · 214 participantsLow
Monoclonal antibody vs polyclonal antibody
Cytomegalovirus infection Number of participants diagnosed with CMV infection · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 1.32 [0.77, 2.28]4 studies · 201 participantsLow
Monoclonal antibody vs polyclonal antibody
Post‐transplantation lymphoproliferative disorder Number of participants diagnosed with PTLD · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 3.84 [0.45, 32.96]4 studies · 157 participantsLow
Intervention NR
Infection Number of participants diagnosed with infection · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 0.99 [0.79, 1.24]3 studies · 545 participantsLow
Monoclonal antibody vs polyclonal antibody
Cancer Number of participants diagnosed with cancer · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 2.19 [0.51, 9.43]4 studies · 157 participantsLow
Intervention NR
Cytomegalovirus infection Number of patients diagnosed with CMV infection · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 0.86 [0.63, 1.19]5 studies · 606 participantsLow
Intervention NR
Post‐transplantation lymphoproliferative disorder Number of participants diagnosed with PTLD · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 0.74 [0.14, 3.82]5 studies · 606 participantsLow
Intervention NR
Cancer Number of participants diagnosed with cancer · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 1.01 [0.45, 2.28]4 studies · 576 participantsLow
Interleukin‐2 RA vs no induction
Mortality Mortality at latest · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 1.53 [0.85, 2.76]4 studies · 576 participantsLow
Interleukin‐2 RA vs no induction
Acute rejection Acute rejection grade 3A or more verified by biopsy · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 0.73 [0.46, 1.17]4 studies · 576 participantsLow
Interleukin‐2 RA vs no induction
Infection Number of participants diagnosed with infection · heart transplant recipients
Immunosuppressive T‐cell antibody induction for heart transplant recipients (2013) · Cochrane
RR 0.99 [0.79, 1.24]3 studies · 545 participantsLow
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
All‐cause death: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
Restenosis Coronary angiography · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
RR 0.52 [0.33, 0.8]2 studies · 432 participantsHigh
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
Recurrence angina pectoris with 1 month · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
RR 0.31 [0.1, 0.92]1 study · 314 participantsHigh
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
Recurrence angina pectoris with 3 months' · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
RR 0.37 [0.19, 0.71]1 study · 314 participantsHigh
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
Recurrence angina pectoris with 6 months' · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
RR 0.26 [0.18, 0.38]2 studies · 432 participantsHigh
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
Health‐related quality of life: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
Cardiac mortality · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extracted2 studies · 190 participantsModerate
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
Serious adverse events · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
RR 0.47 [0.25, 0.9]1 study · 108 participantsHigh
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
Restenosis Coronary angiography · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
RR 0.41 [0.22, 0.75]2 studies · 190 participantsHigh
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
Recurrence angina pectoris Treadmill exercise test · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
RR 0.47 [0.3, 0.72]2 studies · 190 participantsModerate
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
Health‐related quality of life: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
All‐cause death: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
Cardiac mortality · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extracted2 studies · 432 participantsHigh
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
Serious adverse events · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
RR 0.45 [0.28, 0.7]2 studies · 432 participantsHigh
Face‐to‐face interventions vs control
Cardio‐respiratory fitness: 12 months Sub maximal assessment of cardio‐respiratory fitness · patients with promoting physical activity
Face‐to‐face interventions for promoting physical activity (2013) · Cochrane
no estimate extracted2 studies · 426 participantsModerate
Face‐to‐face interventions vs control
Dichotomous outcomes: 12 months Self‐reported PA questionnaire · patients with promoting physical activity
Face‐to‐face interventions for promoting physical activity (2013) · Cochrane
OR 1.58 [0.91, 2.75]3 studies · 3261 participantsHigh
Face‐to‐face interventions vs control
Dichotomous outcomes: 24 months Self‐reported PA questionnaire · patients with promoting physical activity
Face‐to‐face interventions for promoting physical activity (2013) · Cochrane
OR 1.19 [1.02, 1.39]1 study · 2701 participantsHigh
Face‐to‐face interventions vs control
Self‐reported physical activity: 24 months Self‐reported PA questionnaire · patients with promoting physical activity
Face‐to‐face interventions for promoting physical activity (2013) · Cochrane
no estimate extracted3 studies · 4235 participantsHigh
Face‐to‐face interventions vs control
Self‐reported physical activity: 12 months Self‐reported PA questionnaire · patients with promoting physical activity
Face‐to‐face interventions for promoting physical activity (2013) · Cochrane
no estimate extracted8 studies · 23825 participantsModerate
Remote and web 2.0 vs control
Cardio‐respiratory fitness: 12 months · patients with promoting physical activity
Remote and web 2.0 interventions for promoting physical activity (2013) · Cochrane
no estimate extracted2 studies · 444 participantsHigh
Remote and web 2.0 vs control
Dichotomous outcomes: 12 months Self‐reported physical activity questionnaire · patients with promoting physical activity
Remote and web 2.0 interventions for promoting physical activity (2013) · Cochrane
OR 1.42 [1.21, 1.66]1 study · 1089 participantsModerate
Remote and web 2.0 vs control
Dichotomous outcomes: 24 months Self‐reported physical activity questionnaire · patients with promoting physical activity
Remote and web 2.0 interventions for promoting physical activity (2013) · Cochrane
OR 1.27 [0.99, 1.63]1 study · 1088 participantsModerate
Remote and web 2.0 vs control
Self‐reported physical activity: 24 months Self‐reported physical activity questionnaire · patients with promoting physical activity
Remote and web 2.0 interventions for promoting physical activity (2013) · Cochrane
no estimate extracted1 study · 1049 participantsModerate
Remote and web 2.0 vs control
Self‐reported physical activity: 12 months · patients with promoting physical activity
Remote and web 2.0 interventions for promoting physical activity (2013) · Cochrane
no estimate extracted9 studies · 4547 participantsModerate
5 mg vs 10 mg
All studies · patients with the initiation of oral anticoagulation
Optimal loading dose of warfarin for the initiation of oral anticoagulation (2012) · Cochrane
RR 1.17 [0.77, 1.77]4 studies · 352 participantsVery low
5 mg vs 10 mg
Single INR measure · patients with the initiation of oral anticoagulation
Optimal loading dose of warfarin for the initiation of oral anticoagulation (2012) · Cochrane
RR 1.49 [1.01, 2.21]2 studies · 250 participantsVery low
5 mg vs 10 mg
Consecutive INR measures · patients with the initiation of oral anticoagulation
Optimal loading dose of warfarin for the initiation of oral anticoagulation (2012) · Cochrane
RR 0.86 [0.62, 1.19]2 studies · 102 participantsVery low
Factor Xa inhibitors vs Anticoagulants
All causes of mortality at 30 days · Anticoagulants in ACS
Factor Xa inhibitors for acute coronary syndromes (2011) · Cochrane
RR 0.9 [0.8, 1.01]4 studies · 27976 participantsHigh
Factor Xa inhibitors vs Anticoagulants
All causes of mortality at 30 days ‐ UFH · Anticoagulants in ACS
Factor Xa inhibitors for acute coronary syndromes (2011) · Cochrane
RR 0.98 [0.82, 1.18]2 studies · 6760 participantsHigh
Factor Xa inhibitors vs Anticoagulants
All causes of mortality at 30 days ‐ Enoxaparin · Anticoagulants in ACS
Factor Xa inhibitors for acute coronary syndromes (2011) · Cochrane
RR 0.85 [0.73, 0.98]2 studies · 21216 participantsHigh
Factor Xa inhibitors vs Anticoagulants
Major bleeding at 30 days · Anticoagulants in ACS
Factor Xa inhibitors for acute coronary syndromes (2011) · Cochrane
RR 1.01 [0.98, 1.04]2 studies · 20404 participantsHigh
Factor Xa inhibitors vs Anticoagulants
Major bleeding at 30 days ‐ UFH · Anticoagulants in ACS
Factor Xa inhibitors for acute coronary syndromes (2011) · Cochrane
RR 0.98 [0.92, 1.04]1 study · 326 participantsHigh
Factor Xa inhibitors vs Anticoagulants
Major bleeding at 30 days ‐ Enoxaparin · Anticoagulants in ACS
Factor Xa inhibitors for acute coronary syndromes (2011) · Cochrane
RR 1.02 [1.01, 1.02]1 study · 20078 participantsHigh
Factor Xa inhibitors vs Anticoagulants
Minor bleeding at 30 days · Anticoagulants in ACS
Factor Xa inhibitors for acute coronary syndromes (2011) · Cochrane
RR 0.7 [0.14, 3.39]2 studies · 20404 participantsHigh