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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)

75,239 questions in 5,342 reviews

current versions
No studies 15,213 · 20.2%Ungraded 10,323 · 13.7%Very low 17,528 · 23.3%Low 17,951 · 23.9%Moderate 11,190 · 14.9%High 3,034 · 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
Corticosteroids vs placebo
Caloric extent of recovery (improvement as a % in lateralisation of electronystagmography on caloric testing) · Patients with idiopathic acute vestibular dysfunction (vestibular neuritis)
Corticosteroids for the treatment of idiopathic acute vestibular dysfunction (vestibular neuritis) (2011) · Cochrane
no estimate extracted2 studies · 89 participantsLow
Corticosteroids vs placebo
Complete caloric recovery · Patients with idiopathic acute vestibular dysfunction (vestibular neuritis)
Corticosteroids for the treatment of idiopathic acute vestibular dysfunction (vestibular neuritis) (2011) · Cochrane
RR 2.81 [1.32, 6]2 studies · 50 participantsLow
Corticosteroids vs placebo
Complete caloric recovery · Patients with idiopathic acute vestibular dysfunction (vestibular neuritis)
Corticosteroids for the treatment of idiopathic acute vestibular dysfunction (vestibular neuritis) (2011) · Cochrane
RR 1.58 [0.45, 5.62]2 studies · 89 participantsLow
Corticosteroids vs placebo
Adverse effects · Patients with idiopathic acute vestibular dysfunction (vestibular neuritis)
Corticosteroids for the treatment of idiopathic acute vestibular dysfunction (vestibular neuritis) (2011) · Cochrane
no estimate extracted1 study · 73 participantsModerate
Intervention NR
Cure · prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0 [0, 0]0 studies · 1 participantsUngraded
Lactobacillus vs Placebo
Cure · patients with prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0 [0, 0]0 studies · 0 participantsUngraded
Lactobacillus vs Placebo
Episodes of confirmed vaginal candidiasis fungal smear · patients with prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0.54 [0.26, 1.13]1 study · 114 participantsLow
Clotrimazole vs Placebo
Cure · patients with prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0 [0, 0]0 studies · 0 participantsUngraded
Clotrimazole vs Placebo
Episode of confirmed vaginal candidiasis fungal smear · patients with prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0.49 [0.22, 1.09]1 study · 106 participantsLow
Azoles vs Placebo
Episode of confirmed vaginal candidiasis Fungal Smears · patients with prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0.63 [0.46, 0.88]2 studies · 429 participantsVery low
Intervention NR
Episode of confirmed vaginal candidiasis ‐ Upto 12 months Fungal smears · prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0.68 [0.47, 0.97]1 study · 323 participantsModerate
Intervention NR
Episode of confirmed vaginal candidiasis ‐ Upto 24 Months Fungal smears · prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0.79 [0.63, 0.99]1 study · 323 participantsModerate
Intervention NR
Emergence of non albicans species of Candida ‐ At 12 months Fungal Smears · prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 1.46 [0.85, 2.51]1 study · 323 participantsModerate
Intervention NR
Emergence of non albicans species of Candida ‐ At 24 months Fungal Smears · prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 1.32 [0.89, 1.94]1 study · 323 participantsModerate
Intervention NR
In Vitro resistance to azoles ‐ Candida albicans MIC >= 64 micrograms/ml · prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0.86 [0.15, 4.9]1 study · 96 participantsModerate
Intervention NR
In Vitro resistance to azoles ‐ Non albicans Candida MIC>= 64 micrograms/ml · prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 5.57 [1.7, 18.29]1 study · 96 participantsModerate
Lactobacillus vs Clotrimazole
Cure · prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 0 [0, 0]0 studies · 0 participantsUngraded
Lactobacillus vs Clotrimazole
Episodes of confirmed vaginal candidiasis fungal smear · prevention and treatment of vulvovaginal candidiasis in women with HIV infection
Interventions for prevention and treatment of vulvovaginal candidiasis in women with HIV infection (2011) · Cochrane
RR 1.11 [0.45, 2.76]1 study · 108 participantsLow
Intervention NR
Pulmonary Methotrexate pneumonitis · patients with inflammatory arthritis on methotrexate
Safety of non‐steroidal anti‐inflammatory drugs, including aspirin and paracetamol (acetaminophen) in people… (2011) · Cochrane
no estimate extracted2 studies · 27 participantsModerate
Intervention NR
Hepatic Liver histology/hepatic enzyme abnormalities2 · patients with inflammatory arthritis on methotrexate
Safety of non‐steroidal anti‐inflammatory drugs, including aspirin and paracetamol (acetaminophen) in people… (2011) · Cochrane
no estimate extracted2 studies · 272 participantsLow
Intervention NR
Renal Glomerular and tubular injury · patients with inflammatory arthritis on methotrexate
Safety of non‐steroidal anti‐inflammatory drugs, including aspirin and paracetamol (acetaminophen) in people… (2011) · Cochrane
no estimate extracted2 studies · 30 participantsLow
Intervention NR
Haematological Thrombocytopenia · patients with inflammatory arthritis on methotrexate
Safety of non‐steroidal anti‐inflammatory drugs, including aspirin and paracetamol (acetaminophen) in people… (2011) · Cochrane
no estimate extracted0 studies · 1 participantsModerate
Intervention NR
Withdrawal due to adverse events Methotrexate discontinuation · patients with inflammatory arthritis on methotrexate
Safety of non‐steroidal anti‐inflammatory drugs, including aspirin and paracetamol (acetaminophen) in people… (2011) · Cochrane
no estimate extracted3 studies · 632 participantsLow
Intervention NR
All adverse events · patients with inflammatory arthritis on methotrexate
Safety of non‐steroidal anti‐inflammatory drugs, including aspirin and paracetamol (acetaminophen) in people… (2011) · Cochrane
no estimate extracted7 studies · 283 participantsModerate
Tricyclic antidepressant vs control
Pain < 1 week VAS scale 0 to 100 mm · patients with pain management in RA
Antidepressants for pain management in rheumatoid arthritis (2011) · Cochrane
no estimate extracted1 study · 30 participantsVery low
Tricyclic antidepressant vs control
Pain 1 to 6 weeks Any pain measurement scale · patients with pain management in RA
Antidepressants for pain management in rheumatoid arthritis (2011) · Cochrane
no estimate extracted7 studies · 482 participantsVery low
Tricyclic antidepressant vs control
Pain > 6 weeks Any pain measurement scale · patients with pain management in RA
Antidepressants for pain management in rheumatoid arthritis (2011) · Cochrane
no estimate extracted5 studies · 368 participantsVery low
Tricyclic antidepressant vs control
Functional Status Health Assessment Questionnaire (HAQ) scale 0 to 3 · patients with pain management in RA
Antidepressants for pain management in rheumatoid arthritis (2011) · Cochrane
no estimate extracted1 study · 28 participantsLow
Tricyclic antidepressant vs control
Number of Withdrawals due to Adverse Events patient interview · patients with pain management in RA
Antidepressants for pain management in rheumatoid arthritis (2011) · Cochrane
RR 0.98 [0.59, 1.64]6 studies · 455 participantsVery low
Tricyclic antidepressant vs control
Total number of adverse events patient interview · patients with pain management in RA
Antidepressants for pain management in rheumatoid arthritis (2011) · Cochrane
RR 1.83 [1.01, 3.3]6 studies · 455 participantsVery low
Intervention vs control
60‐day mortality ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.52 [0.18, 1.45]3 studies · 280 participantsVery low
Intervention vs control
Thromboembolic episodes ‐ Recombinant factor VIIa (rFVIIa) versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 1.38 [0.65, 2.91]2 studies · 266 participantsVery low
Intervention vs control
Serious adverse events ‐ Recombinant factor VIIa (rFVIIa) versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 1.3 [0.94, 1.78]2 studies · 266 participantsVery low
Intervention vs control
Blood loss ‐ Aprotinin versus control (litre) · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted3 studies · 195 participantsVery low
Intervention vs control
Blood loss ‐ Tranexamic acid versus control (litre) · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 65 participantsVery low
Intervention vs control
Blood loss ‐ Thromboelastography versus control (litre) · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 62 participantsVery low
Intervention vs control
Blood loss ‐ Tranexamic acid versus aprotinin · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 71 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted8 studies · 375 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Tranexamic acid versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted4 studies · 159 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Recombinant factor VIIa (rFVIIa) versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 221 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Thromboelastography versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 62 participantsVery low
Intervention vs control
60‐day mortality ‐ Tranexamic acid versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.55 [0.17, 1.76]3 studies · 139 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Tranexamic acid versus aprotinin · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted3 studies · 198 participantsVery low
Intervention vs control
60‐day mortality ‐ Recombinant factor VIIa (rFVIIa) versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 1.51 [0.33, 6.95]3 studies · 286 participantsVery low
Intervention vs control
60‐day mortality ‐ Tranexamic acid versus aprotinin · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 4.12 [0.71, 23.76]2 studies · 178 participantsVery low
Intervention vs control
Primary graft non‐function ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.15 [0.02, 1.25]2 studies · 217 participantsVery low
Intervention vs control
Retransplantation ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.21 [0.02, 1.79]2 studies · 217 participantsVery low
Intervention vs control
Retransplantation ‐ Tranexamic acid versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.79 [0.18, 3.48]2 studies · 77 participantsVery low
Intervention vs control
Thromboembolic episodes ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.6 [0.18, 1.96]3 studies · 280 participantsVery low
Intervention vs control
Thromboembolic episodes ‐ Tranexamic acid versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 2.2 [0.38, 12.64]5 studies · 179 participantsVery low