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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. Every word you type has to appear somewhere in the question, and the closest matches are ranked first.
75,239 questions in 5,342 reviews
current versionsNo 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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Intervention NR Number of participants experiencing any adverse event ( · participants with osteoarthritis of the knee or hip Doxycycline for osteoarthritis of the knee or hip (2012) · Cochrane | RR 1.36 [1.08, 1.72] | 1 study · 232 participants | Low |
Intervention NR Number of participants withdrawn due to adverse events (median · participants with osteoarthritis of the knee or hip Doxycycline for osteoarthritis of the knee or hip (2012) · Cochrane | RR 2.28 [1.06, 4.9] | 2 studies · 663 participants | Low |
Intervention NR Number of participants experiencing any serious adverse event (median · participants with osteoarthritis of the knee or hip Doxycycline for osteoarthritis of the knee or hip (2012) · Cochrane | RR 1.07 [0.68, 1.68] | 2 studies · 663 participants | Low |
Intervention NR Serious adverse events ‐ Haemodilution versus control. · patients with liver resection. Cardiopulmonary interventions to decrease blood loss and blood transfusion requirements for liver resection (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Number requiring allogeneic blood transfusion ‐ Low central venous pressure (CVP) versus control. · patients with liver resection. Cardiopulmonary interventions to decrease blood loss and blood transfusion requirements for liver resection (2012) · Cochrane | RR 0.66 [0.42, 1.03] | 3 studies · 177 participants | Very low |
Intervention NR Number requiring allogeneic blood transfusion ‐ Haemodilution versus control. · patients with liver resection. Cardiopulmonary interventions to decrease blood loss and blood transfusion requirements for liver resection (2012) · Cochrane | RR 0.41 [0.25, 0.66] | 3 studies · 233 participants | Ungraded |
Intervention NR Red cell transfusion ‐ Low CVP versus control. · patients with liver resection. Cardiopulmonary interventions to decrease blood loss and blood transfusion requirements for liver resection (2012) · Cochrane | no estimate extracted | 2 studies · 135 participants | Very low |
Intervention NR Red cell transfusion ‐ Haemodilution versus control. · patients with liver resection. Cardiopulmonary interventions to decrease blood loss and blood transfusion requirements for liver resection (2012) · Cochrane | no estimate extracted | 3 studies · 180 participants | Very low |
Intervention NR Overall effect (i.e. irrespective of screening result) · Pregnant women undergoing prenatal serum screening for Down syndrome Mobile phone messaging for communicating results of medical investigations (2012) · Cochrane | no estimate extracted | 1 study · 2782 participants | Low |
Intervention NR Serum‐negative group · Pregnant women undergoing prenatal serum screening for Down syndrome Mobile phone messaging for communicating results of medical investigations (2012) · Cochrane | no estimate extracted | 1 study · 2673 participants | Low |
Intervention NR Serum‐positive group · Pregnant women undergoing prenatal serum screening for Down syndrome Mobile phone messaging for communicating results of medical investigations (2012) · Cochrane | no estimate extracted | 1 study · 109 participants | Low |
Intervention NR Other outcomes · Pregnant women undergoing prenatal serum screening for Down syndrome Mobile phone messaging for communicating results of medical investigations (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Health‐seeking behaviour · Pregnant women undergoing prenatal serum screening for Down syndrome Mobile phone messaging for communicating results of medical investigations (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Patient's evaluation of the intervention (including perceptions of safety) · Pregnant women undergoing prenatal serum screening for Down syndrome Mobile phone messaging for communicating results of medical investigations (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Harms & adverse effects · Pregnant women undergoing prenatal serum screening for Down syndrome Mobile phone messaging for communicating results of medical investigations (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Costs · Pregnant women undergoing prenatal serum screening for Down syndrome Mobile phone messaging for communicating results of medical investigations (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Health outcomes · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Other outcomes · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Health service utilisation · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Cost · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Satisfaction, anxiety and confidence during pregnancy · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | 1 study · 61 participants | Moderate |
Intervention NR Pregnancy outcomes · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | 1 study · 61 participants | Low |
Intervention NR Health behaviour outcomes · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Smoking cessation · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | 1 study · 1705 participants | High |
Intervention NR Vitamin C adherence · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | 1 study · 99 participants | Moderate |
Intervention NR Healthy behaviour in children · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | 1 study · 32 participants | Very low |
Intervention NR Acceptability · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | 1 study · 32 participants | Very low |
Intervention NR Adverse effects · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13) Mobile phone messaging for preventive health care (2012) · Cochrane | no estimate extracted | 1 study · 1705 participants | Moderate |
Intervention NR Health outcomes: Glycaemic control (HbA1c) · Patients with long‐term illnesses Mobile phone messaging for facilitating self‐management of long‐term illnesses (2012) · Cochrane | no estimate extracted | 2 studies · 88 participants | Moderate |
Intervention NR Health outcomes: Variety of measures · Patients with long‐term illnesses Mobile phone messaging for facilitating self‐management of long‐term illnesses (2012) · Cochrane | no estimate extracted | 3 studies · 142 participants | Moderate |
Intervention NR Capacity to self‐manage the condition: Management and knowledge of diabetes · Patients with long‐term illnesses Mobile phone messaging for facilitating self‐management of long‐term illnesses (2012) · Cochrane | no estimate extracted | 1 study · 59 participants | Moderate |
Intervention NR Capacity to self‐manage the condition: Treatment compliance · Patients with long‐term illnesses Mobile phone messaging for facilitating self‐management of long‐term illnesses (2012) · Cochrane | no estimate extracted | 3 studies · 142 participants | Moderate |
Intervention NR Participants' evaluation of the intervention · Patients with long‐term illnesses Mobile phone messaging for facilitating self‐management of long‐term illnesses (2012) · Cochrane | no estimate extracted | 2 studies · 72 participants | Very low |
Intervention NR Health service utilisation · Patients with long‐term illnesses Mobile phone messaging for facilitating self‐management of long‐term illnesses (2012) · Cochrane | no estimate extracted | 2 studies · 75 participants | Very low |
Medication vs placebo Number relapsed‐recurred · patients with preventing relapse and recurrence of a depressive disorder in children and adolescents Interventions for preventing relapse and recurrence of a depressive disorder in children and adolescents (2012) · Cochrane | OR 0.34 [0.18, 0.64] | 3 studies · 164 participants | Moderate |
Medication vs placebo Suicide‐related behaviours · patients with preventing relapse and recurrence of a depressive disorder in children and adolescents Interventions for preventing relapse and recurrence of a depressive disorder in children and adolescents (2012) · Cochrane | OR 1.02 [0.14, 7.39] | 3 studies · 164 participants | Low |
Medication vs placebo Drop‐outs · patients with preventing relapse and recurrence of a depressive disorder in children and adolescents Interventions for preventing relapse and recurrence of a depressive disorder in children and adolescents (2012) · Cochrane | OR 1.02 [0.38, 2.79] | 3 studies · 164 participants | Moderate |
Intervention NR Mortality ‐ Initial hepatic artery versus initial portal vein reperfusion · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | RR 1.02 [0.22, 4.84] | 2 studies · 119 participants | Very low |
Intervention NR Graft survival ‐ Retrograde IVC reperfusion versus simultaneous hepatic artery and portal vein reperfusion · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | HR 0.88 [0.44, 1.74] | 1 study · 1 participants | Very low |
Intervention NR Mortality ‐ Retrograde IVC reperfusion versus simultaneous hepatic artery and portal vein reperfusion · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | no estimate extracted | 1 study · 131 participants | Very low |
Intervention NR Patient survival ‐ Initial hepatic artery versus initial portal vein reperfusion · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | HR 1.03 [0.37, 2.86] | 1 study · 1 participants | Very low |
Intervention NR Patient survival ‐ Simultaneous hepatic artery and portal vein reperfusion versus initial portal vein reperfusion · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | HR 0.45 [0.16, 1.28] | 1 study · 1 participants | Very low |
Intervention NR Patient survival ‐ Retrograde IVC reperfusion versus simultaneous hepatic artery and portal vein reperfusion · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | HR 1.43 [0.58, 3.53] | 1 study · 1 participants | Very low |
Intervention NR Graft survival ‐ Initial hepatic artery versus initial portal vein flush · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | HR 1.05 [0.8, 1.37] | 1 study · 1 participants | Very low |
Intervention NR Graft survival ‐ Additional blood venting through IVC versus no additional blood venting through IVC · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | HR 1.15 [0.87, 1.51] | 1 study · 1 participants | Very low |
Intervention NR Graft survival ‐ Initial hepatic artery versus initial portal vein reperfusion · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | HR 0.54 [0.15, 1.98] | 2 studies · 2 participants | Very low |
Intervention NR Graft survival ‐ Simultaneous hepatic artery and portal vein reperfusion versus initial portal vein reperfusion · patients with liver transplantation. Techniques of flushing and reperfusion for liver transplantation (2012) · Cochrane | HR 0 | 1 study · 1 participants | Very low |
Intervention NR Incidence of clinical neuropathy after 5 years: risk ratio · patients with diabetic neuropathy Enhanced glucose control for preventing and treating diabetic neuropathy (2012) · Cochrane | RR 0.46 [0.33, 0.63] | 3 studies · 1228 participants | High |
Intervention NR Annual change in vibration threshold in the feet · patients with diabetic neuropathy Enhanced glucose control for preventing and treating diabetic neuropathy (2012) · Cochrane | no estimate extracted | 1 study · 99 participants | Moderate |
Intervention NR Death · patients with diabetic neuropathy Enhanced glucose control for preventing and treating diabetic neuropathy (2012) · Cochrane | RR 1.26 [1.06, 1.51] | 1 study · 10251 participants | High |