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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
Summary of findings: dopamine agonists vs placebo
Sleep efficiency Percentage of total sleep time per time in bed · patients with restless legs syndrome according to IRLSSG, 18 years or older
Dopamine agonists for the treatment of restless legs syndrome (2011) · Cochrane
no estimate extracted11 studies · 677 participantsHigh
Summary of findings: dopamine agonists vs placebo
Number of dropouts due to adverse events · patients with restless legs syndrome according to IRLSSG, 18 years or older
Dopamine agonists for the treatment of restless legs syndrome (2011) · Cochrane
OR 1.82 [1.35, 2.45]34 studies · 7054 participantsHigh
Summary of findings: dopamine agonists vs placebo
Clinical Global Impressions ‐ Improvement of condition (CGI‐I) Rating of 1 = very much improved to 7 = very much worse · patients with restless legs syndrome according to IRLSSG, 18 years or older
Dopamine agonists for the treatment of restless legs syndrome (2011) · Cochrane
RR 1.44 [1.34, 1.54]27 studies · 6338 participantsHigh
Summary of findings: dopamine agonists vs placebo
Subjective quality of sleep SMD on questionnaires MOS, RLS‐6, PSQI, VAS · patients with restless legs syndrome according to IRLSSG, 18 years or older
Dopamine agonists for the treatment of restless legs syndrome (2011) · Cochrane
no estimate extracted22 studies · 4592 participantsHigh
Summary of findings: dopamine agonists vs placebo
Quality of life SMD on 2 RLS‐QoL questionnaires · patients with restless legs syndrome according to IRLSSG, 18 years or older
Dopamine agonists for the treatment of restless legs syndrome (2011) · Cochrane
no estimate extracted17 studies · 4312 participantsModerate
Summary of findings: dopamine agonists vs levodopa
IRLS · patients with restless legs syndrome
Dopamine agonists for the treatment of restless legs syndrome (2011) · Cochrane
no estimate extracted2 studies · 383 participantsModerate
Summary of findings: dopamine agonists vs levodopa
Periodic limb movements per hour of time in bed · patients with restless legs syndrome
Dopamine agonists for the treatment of restless legs syndrome (2011) · Cochrane
no estimate extracted1 study · 39 participantsLow
Behavioural intervention vs control
STI incidence for sex workers · Sex workers and their clients
Behavioral interventions to reduce the transmission of HIV infection among sex workers and their clients in… (2011) · Cochrane
RR 0.46 [0.11, 1.98]2 studies · 627 participantsVery low
Behavioural intervention vs control
STI prevalence for clients of sex workers · Sex workers and their clients
Behavioral interventions to reduce the transmission of HIV infection among sex workers and their clients in… (2011) · Cochrane
RR 0.09 [0.01, 0.72]1 study · 288 participantsHigh
Behavioural intervention vs control
Condom use for sex workers · Sex workers and their clients
Behavioral interventions to reduce the transmission of HIV infection among sex workers and their clients in… (2011) · Cochrane
RR 1.04 [0.99, 1.09]3 studies · 1133 participantsVery low
Behavioural intervention vs control
Condom use for clients of sex workers · Sex workers and their clients
Behavioral interventions to reduce the transmission of HIV infection among sex workers and their clients in… (2011) · Cochrane
RR 1.1 [0.69, 1.75]1 study · 26 participantsModerate
Intervention NR
Development of diabetic complications · patients with LADA
Interventions for latent autoimmune diabetes (LADA) in adults (2011) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · patients with LADA
Interventions for latent autoimmune diabetes (LADA) in adults (2011) · Cochrane
no estimate extracted5 studies · 5 participantsUngraded
Intervention NR
Health‐related quality of life · patients with LADA
Interventions for latent autoimmune diabetes (LADA) in adults (2011) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Death from any cause · patients with LADA
Interventions for latent autoimmune diabetes (LADA) in adults (2011) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health service utilisation and costs · patients with LADA
Interventions for latent autoimmune diabetes (LADA) in adults (2011) · Cochrane
no estimate extractedNRNo studies
Intervention NR
HbA1c at study endpoint · patients with LADA
Interventions for latent autoimmune diabetes (LADA) in adults (2011) · Cochrane
no estimate extracted4 studies · 160 participantsLow
Intervention NR
Change in mood Lubin's Depression Adjective Checklist Form E. Scale from: 0 (better) to 34 (worse). · healthcare personnel
The psychological effects of the physical healthcare environment on healthcare personnel (2011) · Cochrane
no estimate extracted1 study · 67 participantsVery low
Intervention NR
Satisfaction with physical environment ‐ not reported · healthcare personnel
The psychological effects of the physical healthcare environment on healthcare personnel (2011) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Change in unscheduled absences hours per staff person per month · healthcare personnel
The psychological effects of the physical healthcare environment on healthcare personnel (2011) · Cochrane
no estimate extractedNRVery low
Insulin detemir (intervention) vs Insulin glargin (control)
Mortality ‐ not reported · patients with type 2 diabetes mellitus
Insulin detemir versus insulin glargine for type 2 diabetes mellitus (2011) · Cochrane
no estimate extractedNRNo studies
Insulin detemir (intervention) vs Insulin glargin (control)
Quality of life and treatment satisfaction ‐ not reported · patients with type 2 diabetes mellitus
Insulin detemir versus insulin glargine for type 2 diabetes mellitus (2011) · Cochrane
no estimate extractedNRNo studies
Insulin detemir (intervention) vs Insulin glargin (control)
Change in HbA1c · patients with type 2 diabetes mellitus
Insulin detemir versus insulin glargine for type 2 diabetes mellitus (2011) · Cochrane
no estimate extracted4 studies · 2250 participantsLow
Insulin detemir (intervention) vs Insulin glargin (control)
Percentage of participants having at least one severe hypoglycaemic event · patients with type 2 diabetes mellitus
Insulin detemir versus insulin glargine for type 2 diabetes mellitus (2011) · Cochrane
RR 0.82 [0.51, 1.32]4 studies · 2252 participantsLow
Insulin detemir (intervention) vs Insulin glargin (control)
Percentage of participants having at least one hypoglycaemic event · patients with type 2 diabetes mellitus
Insulin detemir versus insulin glargine for type 2 diabetes mellitus (2011) · Cochrane
RR 0.98 [0.92, 1.05]4 studies · 2252 participantsLow
Insulin detemir (intervention) vs Insulin glargin (control)
Weight gain · patients with type 2 diabetes mellitus
Insulin detemir versus insulin glargine for type 2 diabetes mellitus (2011) · Cochrane
no estimate extracted4 studies · 2250 participantsHigh
Insulin detemir (intervention) vs Insulin glargin (control)
Percentage of participants having at least one injection site reaction · patients with type 2 diabetes mellitus
Insulin detemir versus insulin glargine for type 2 diabetes mellitus (2011) · Cochrane
RR 3.31 [1.13, 9.73]4 studies · 2252 participantsLow
Supervision vs no supervision to improve the quality of primary health care
Providers practice · providers
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted2 studies · 134 participantsLow
'Less intense' vs routine supervision to improve the quality of primary health care
New clients gained by community‐based posts (number per quarter) Daily log completed by the supervisor reporting activities of providers · providers and users
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted1 study · 247 participantsLow
'Less intense' vs routine supervision to improve the quality of primary health care
Average number of revisits per quarter (health‐facility‐based posts) Daily log completed by the supervisor reporting activities of providers · providers and users
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted1 study · 247 participantsLow
'Less intense' vs routine supervision to improve the quality of primary health care
Average number of revisits per quarter (community‐based posts) Daily log completed by the supervisor reporting activities of providers · providers and users
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted1 study · 247 participantsLow
Supervision vs no supervision to improve the quality of primary health care
Providers knowledge · providers
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted2 studies · 134 participantsVery low
Supervision vs no supervision to improve the quality of primary health care
Drug supply · providers
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted0 studies · 1 participantsVery low
'Enhanced' vs routine supervision to improve the quality of primary health care
Functional status of community health agents (Ayele 1993) · providers and users
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted1 study · 102 participantsVery low
'Enhanced' vs routine supervision to improve the quality of primary health care
Overall performance score midwives (Loevinsohn 1995) Scale from: 0 to 60. · providers and users
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted1 study · 112 participantsVery low
'Enhanced' vs routine supervision to improve the quality of primary health care
Children receiving recommended or adequate care (Rowe 2009) · providers and users
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted0 studies · 1 participantsVery low
'Enhanced' vs routine supervision to improve the quality of primary health care
Health worker job satisfaction (Sennun 2006) Questionnaire. Scale from: 0 to 165. · providers and users
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted1 study · 6 participantsVery low
'Enhanced' vs routine supervision to improve the quality of primary health care
Clients satisfaction (Sennun 2006) Questionnaire. Scale from: 0 to 90. · providers and users
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted1 study · 390 participantsVery low
'Less intense' vs routine supervision to improve the quality of primary health care
New clients gained by health facility based posts (number per quarter) Daily log completed by the supervisor reporting activities of providers · providers and users
Managerial supervision to improve primary health care in low‐ and middle‐income countries (2011) · Cochrane
no estimate extracted1 study · 247 participantsLow
Steam inhalation (mist) vs nebulised salbutamol
change in respiratory distress score at 30 minutes Scale from: 0 to 13. · patients with acute bronchiolitis in children up to three years of age
Steam inhalation or humidified oxygen for acute bronchiolitis in children up to three years of age (2011) · Cochrane
no estimate extracted1 study · 104 participantsModerate
Steam inhalation (mist) vs nebulised salbutamol
change in respiratory distress score at 60 minutes Scale from: 0 to 13. · patients with acute bronchiolitis in children up to three years of age
Steam inhalation or humidified oxygen for acute bronchiolitis in children up to three years of age (2011) · Cochrane
no estimate extracted1 study · 104 participantsModerate
Steam (mist) vs nebulised saline
change in respiratory distress score at 30 minutes Scale from: 0 to 13. · patients with acute bronchiolitis in children up to three years of age
Steam inhalation or humidified oxygen for acute bronchiolitis in children up to three years of age (2011) · Cochrane
no estimate extracted1 study · 104 participantsModerate
Steam (mist) vs nebulised saline
change in respiratory distress score at 60 minutes Scale from: 0 to 13. · patients with acute bronchiolitis in children up to three years of age
Steam inhalation or humidified oxygen for acute bronchiolitis in children up to three years of age (2011) · Cochrane
no estimate extracted1 study · 104 participantsModerate
Antibiotic vs placebo
Bacteriuria · patients submitted to transrectal prostate biopsy
Antibiotic prophylaxis for transrectal prostate biopsy (2011) · Cochrane
RR 0.25 [0.15, 0.42]8 studies · 870 participantsModerate
Short course vs long course treatment
Hospitalization · patients submitted to transrectal prostate biopsy
Antibiotic prophylaxis for transrectal prostate biopsy (2011) · Cochrane
RR 4.14 [0.47, 36.46]2 studies · 366 participantsLow
Single dose vs multiple dose antibiotic
Bacteriuria · patients submitted to transrectal prostate biopsy
Antibiotic prophylaxis for transrectal prostate biopsy (2011) · Cochrane
RR 1.98 [1.18, 3.33]4 studies · 944 participantsModerate
Single dose vs multiple dose antibiotic
Fever · patients submitted to transrectal prostate biopsy
Antibiotic prophylaxis for transrectal prostate biopsy (2011) · Cochrane
RR 2.84 [0.99, 8.16]4 studies · 652 participantsLow
Single dose vs multiple dose antibiotic
UTI · patients submitted to transrectal prostate biopsy
Antibiotic prophylaxis for transrectal prostate biopsy (2011) · Cochrane
RR 1.4 [0.73, 2.68]5 studies · 1312 participantsModerate
Single dose vs multiple dose antibiotic
Hospitalization · patients submitted to transrectal prostate biopsy
Antibiotic prophylaxis for transrectal prostate biopsy (2011) · Cochrane
RR 3.1 [0.64, 15.06]3 studies · 441 participantsLow
Oral vs systemic antibiotic (IM or IV)
Bacteriuria · patients submitted to transrectal prostate biopsy
Antibiotic prophylaxis for transrectal prostate biopsy (2011) · Cochrane
RR 0.34 [0.06, 1.93]3 studies · 354 participantsModerate