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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)

15,213 questions in 2,394 reviews

current versions
No studies 15,213 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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
Sulfasalazine vs placebo
Mean improvement in Bath ankylosing spondylitis disease activity index (BASDAI) ‐ not reported · Patients with ankylosing spondylitis
Sulfasalazine for ankylosing spondylitis (2014) · Cochrane
no estimate extractedNRNo studies
Sulfasalazine vs placebo
Mean improvement in Bath ankylosing spondylitis function index (BASFI) ‐ not reported · Patients with ankylosing spondylitis
Sulfasalazine for ankylosing spondylitis (2014) · Cochrane
no estimate extractedNRNo studies
Sulfasalazine vs placebo
Mean improvement in Bath ankylosing spondylitis metrology index (BASMI) ‐ not reported · Patients with ankylosing spondylitis
Sulfasalazine for ankylosing spondylitis (2014) · Cochrane
no estimate extractedNRNo studies
Sulfasalazine vs placebo
Radiographic progress ‐ not reported · Patients with ankylosing spondylitis
Sulfasalazine for ankylosing spondylitis (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: PSYCHOLOGICAL THERAPY (SPECIFICALLY ABOUT CANNABIS AND PSYCHOSIS) vs NON‐SPECIFIC PSYCOEDUCTION
Global state: relapse ‐ medium term ‐ not reported · patients with SCHIZOPHRENIA AND CANNABIS USE
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: PSYCHOLOGICAL THERAPY (SPECIFICALLY ABOUT CANNABIS AND PSYCHOSIS) vs NON‐SPECIFIC PSYCOEDUCTION
General functioning: no clinically important change in general functioning ‐ medium term ‐ not reported · patients with SCHIZOPHRENIA AND CANNABIS USE
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: PSYCHOLOGICAL THERAPY (SPECIFICALLY ABOUT CANNABIS AND PSYCHOSIS) vs NON‐SPECIFIC PSYCOEDUCTION
Adverse effects: no clinically important adverse effects ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA AND CANNABIS USE
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: PSYCHOLOGICAL THERAPY (SPECIFICALLY ABOUT CANNABIS AND PSYCHOSIS) vs NON‐SPECIFIC PSYCOEDUCTION
Leaving the study early ‐ medium term ‐ not reported · patients with SCHIZOPHRENIA AND CANNABIS USE
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: PSYCHOLOGICAL THERAPY (SPECIFICALLY ABOUT CANNABIS AND PSYCHOSIS) vs NON‐SPECIFIC PSYCOEDUCTION
Satisfaction with treatment ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA AND CANNABIS USE
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: ANTIPSYCHOTIC 'A' vs ANTIPSYCHOTIC 'B' for
Global state: relapse ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA.
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: ANTIPSYCHOTIC 'A' vs ANTIPSYCHOTIC 'B' for
General functioning: no clinically important change in general functioning ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA.
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: ANTIPSYCHOTIC 'A' vs ANTIPSYCHOTIC 'B' for
Satisfaction with treatment ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA.
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABINOID AS TREATMENT: CANNABIDIOL vs AMISULPRIDE
Behaviour: Cannabis use: 1. frequency of use (group‐based therapy) (high = bad) ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABINOID AS TREATMENT: CANNABIDIOL vs AMISULPRIDE
Mental state: PANSS total (high = bad) ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABINOID AS TREATMENT: CANNABIDIOL vs AMISULPRIDE
Global state: relapse ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABINOID AS TREATMENT: CANNABIDIOL vs AMISULPRIDE
General functioning: no clinically important change in general functioning ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABINOID AS TREATMENT: CANNABIDIOL vs AMISULPRIDE
Adverse effects: measured adverse events ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABINOID AS TREATMENT: CANNABIDIOL vs AMISULPRIDE
Leaving the study early: any reason ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABINOID AS TREATMENT: CANNABIDIOL vs AMISULPRIDE
Satisfaction with treatment ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: ADJUNCT PSYCHOLOGICAL THERAPY vs TREATMENT
Global state: relapse ‐ medium term ‐ not reported · patients with SCHIZOPHRENIA AND CANNABIS USE
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: ADJUNCT PSYCHOLOGICAL THERAPY vs TREATMENT
Adverse effects: no clinically important adverse effects ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA AND CANNABIS USE
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: ADJUNCT PSYCHOLOGICAL THERAPY vs TREATMENT
Leaving the study early ‐ medium term ‐ not reported · patients with SCHIZOPHRENIA AND CANNABIS USE
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
CANNABIS REDUCTION: ADJUNCT PSYCHOLOGICAL THERAPY vs TREATMENT
Satisfaction with treatment ‐ medium term ‐ not measured · patients with SCHIZOPHRENIA AND CANNABIS USE
Cannabis and schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
Intervention NR
CI: confidence interval. · adults with attention deficit hyperactivity disorder (ADHD)
Immediate-release methylphenidate for attention deficit hyperactivity disorder (ADHD) in adults (2014) · Cochrane
no estimate extractedNRNo studies
Diacerein vs placebo
Quality of Life not measured · participants with osteoarthritis
Diacerein for osteoarthritis (2014) · Cochrane
no estimate extractedNRNo studies
Diacerein vs placebo
Total number of serious adverse events not measured · participants with osteoarthritis
Diacerein for osteoarthritis (2014) · Cochrane
no estimate extractedNRNo studies
Interventions to reduce blood loss during myomectomy for fibroids vs placebo or no treatment
Intervention · Women with fibroids
Interventions to reduce haemorrhage during myomectomy for fibroids (2014) · Cochrane
no estimate extractedNRNo studies
Bupivicaine plus epinephrine vs placebo to reduce blood loss during myomectomy
Need for blood transfusion Participants who received blood transfusion · Women with fibroids
Interventions to reduce haemorrhage during myomectomy for fibroids (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE added to LOW DOSE ANTIPSYCHOTICS vs STANDARD DOSE ANTIPSYCHOTICS
Service outcomes: Hospitalisation · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE added to LOW DOSE ANTIPSYCHOTICS vs STANDARD DOSE ANTIPSYCHOTICS
Quality of life: No clinically important change in quality of life · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE added to LOW DOSE ANTIPSYCHOTICS vs STANDARD DOSE ANTIPSYCHOTICS
Economic outcomes: Cost of care · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE vs STANDARD DOSE ANTIPSYCHOTICS
Service outcomes: Hospitalisation · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE vs STANDARD DOSE ANTIPSYCHOTICS
Quality of life: No clinically important change in quality of life · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE vs STANDARD DOSE ANTIPSYCHOTICS
Economic outcomes: Cost of care · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE added to TCM DRUG vs TCM DRUG
Mental state: No clinically important change in mental state · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE added to TCM DRUG vs TCM DRUG
Service outcomes: Hospitalisation · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE added to TCM DRUG vs TCM DRUG
Quality of life: No clinically important change in quality of life · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE added to TCM DRUG vs TCM DRUG
Economic outcomes: Cost of care · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE vs TCM DRUG
Mental state: No clinically important change in general mental state · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE vs TCM DRUG
Service outcomes: Hospitalisation · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE vs TCM DRUG
Adverse effects: Clinically important general adverse effects · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE vs TCM DRUG
Quality of life: No clinically important change in quality of life · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE vs TCM DRUG
Economic outcomes: Cost of care · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ELECTRIC ACUPUNCTURE CONVULSIVE THERAPY vs ELECTROCONVULSIVE THERAPY
Global state: Relapse · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ELECTRIC ACUPUNCTURE CONVULSIVE THERAPY vs ELECTROCONVULSIVE THERAPY
Mental state: No clinically important change in general mental state · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ELECTRIC ACUPUNCTURE CONVULSIVE THERAPY vs ELECTROCONVULSIVE THERAPY
Service outcomes: Hospitalisation · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ELECTRIC ACUPUNCTURE CONVULSIVE THERAPY vs ELECTROCONVULSIVE THERAPY
Quality of life: No clinically important change in quality of life · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ELECTRIC ACUPUNCTURE CONVULSIVE THERAPY vs ELECTROCONVULSIVE THERAPY
Economic outcomes: Cost of care · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE added to STANDARD DOSE ANTIPSYCHOTICS vs STANDARD DOSE ANTIPSYCHOTICS
Quality of life: No clinically important change in quality of life · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies
ACUPUNCTURE added to STANDARD DOSE ANTIPSYCHOTICS vs STANDARD DOSE ANTIPSYCHOTICS
Economic outcomes: Cost of care · patients with schizophrenia
Acupuncture for schizophrenia (2014) · Cochrane
no estimate extractedNRNo studies