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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)

611 questions in 50 reviews · Injuries

current versions
No studies 125 · 20.5%Ungraded 22 · 3.6%Very low 185 · 30.3%Low 171 · 28%Moderate 77 · 12.6%High 31 · 5.1%

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
MDAC + hospital intervention vs SDAC + hospital intervention
Incidence and severity of symptoms of poisoning: incidence of need for intubation · first aid in patients with acute oral poisoning (carbamazepine, yellow oleander, or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
RR 1.01 [0.75, 1.38]2 studies · 3097 participantsLow
MDAC + hospital intervention vs SDAC + hospital intervention
Duration of toxic symptoms: duration of intubation (h) · first aid in patients with acute oral poisoning (carbamazepine, yellow oleander, or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted2 studies · 2 participantsVery low
MDAC + hospital intervention vs SDAC + hospital intervention
Drug absorption: cardenolide: AUC (µg × L/h) · first aid in patients with acute oral poisoning (carbamazepine, yellow oleander, or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted1 study · 64 participantsVery low
SDAC vs no intervention
Incidence of adverse events · first aid in patients with acute oral poisoning (paracetamol or not specified)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted2 studies · 476 participantsVery low
MDAC + hospital intervention vs SDAC + hospital intervention
Incidence of hospitalization · first aid in patients with acute oral poisoning (carbamazepine, yellow oleander, or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
MDAC + hospital intervention vs SDAC + hospital intervention
Incidence of ICU admission · first aid in patients with acute oral poisoning (carbamazepine, yellow oleander, or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
RR 0.31 [0.12, 0.83]1 study · 401 participantsLow
SDAC vs syrup of ipecac
Incidence of mortality · first aid in patients with acute oral poisoning (anti‐inflammatory drugs, analgesics or psychotropic drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
SDAC vs syrup of ipecac
Incidence of adverse events · first aid in patients with acute oral poisoning (anti‐inflammatory drugs, analgesics or psychotropic drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
RR 1.24 [0.26, 5.83]1 study · 34 participantsVery low
SDAC vs syrup of ipecac
Incidence and severity of symptoms of poisoning: level of coma · first aid in patients with acute oral poisoning (anti‐inflammatory drugs, analgesics or psychotropic drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted1 study · 34 participantsVery low
SDAC vs syrup of ipecac
Duration of toxic symptoms · first aid in patients with acute oral poisoning (anti‐inflammatory drugs, analgesics or psychotropic drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
SDAC vs syrup of ipecac
Drug absorption · first aid in patients with acute oral poisoning (anti‐inflammatory drugs, analgesics or psychotropic drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
SDAC vs syrup of ipecac
Incidence of hospitalization · first aid in patients with acute oral poisoning (anti‐inflammatory drugs, analgesics or psychotropic drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
SDAC vs syrup of ipecac
Incidence of ICU admission · first aid in patients with acute oral poisoning (anti‐inflammatory drugs, analgesics or psychotropic drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
MDAC + hospital intervention vs hospital intervention
Incidence of mortality · first aid in patients with acute oral poisoning (benzodiazepines, yellow oleander or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
RR 0.94 [0.72, 1.22]1 study · 3085 participantsLow
SDAC vs no intervention
Incidence and severity of symptoms of poisoning: incidence of clinical deterioration during stay in the hospital · first aid in patients with acute oral poisoning (paracetamol or not specified)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted1 study · 451 participantsVery low
MDAC + hospital intervention vs hospital intervention
Incidence of adverse events · first aid in patients with acute oral poisoning (benzodiazepines, yellow oleander or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
RR 1.02 [0.52, 1.98]1 study · 3085 participantsLow
MDAC + hospital intervention vs hospital intervention
Incidence and severity of symptoms of poisoning: incidence of need for intubation · first aid in patients with acute oral poisoning (benzodiazepines, yellow oleander or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
RR 0.97 [0.71, 1.33]1 study · 3085 participantsLow
MDAC + hospital intervention vs hospital intervention
Duration of toxic symptoms: length of intubation (h) · first aid in patients with acute oral poisoning (benzodiazepines, yellow oleander or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted1 study · 1 participantsLow
MDAC + hospital intervention vs hospital intervention
Drug absorption: cardenolide: AUC (µg/L × h) · first aid in patients with acute oral poisoning (benzodiazepines, yellow oleander or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted1 study · 76 participantsVery low
MDAC + hospital intervention vs hospital intervention
Incidence of hospitalization · first aid in patients with acute oral poisoning (benzodiazepines, yellow oleander or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
MDAC + hospital intervention vs hospital intervention
Incidence of ICU admission · first aid in patients with acute oral poisoning (benzodiazepines, yellow oleander or combinations of different drugs)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
Syrup of ipecac vs no intervention
Incidence of mortality · first aid in patients with acute oral poisoning (toxic berries)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
Syrup of ipecac vs no intervention
Incidence of adverse events: diarrhoea · first aid in patients with acute oral poisoning (toxic berries)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
RR 4.08 [1.66, 10.04]1 study · 103 participantsLow
Syrup of ipecac vs no intervention
Incidence and severity of symptoms of poisoning · first aid in patients with acute oral poisoning (toxic berries)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
Syrup of ipecac vs no intervention
Duration of toxic symptoms · first aid in patients with acute oral poisoning (toxic berries)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
SDAC vs no intervention
Duration of toxic symptoms · first aid in patients with acute oral poisoning (paracetamol or not specified)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
Syrup of ipecac vs no intervention
Drug absorption · first aid in patients with acute oral poisoning (toxic berries)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
Syrup of ipecac vs no intervention
Hospitalization: incidence of hospitalization · first aid in patients with acute oral poisoning (toxic berries)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted1 study · 103 participantsLow
Syrup of ipecac vs no intervention
ICU admission · first aid in patients with acute oral poisoning (toxic berries)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
SDAC vs no intervention
Drug absorption · first aid in patients with acute oral poisoning (paracetamol or not specified)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
SDAC vs no intervention
Incidence of hospitalization · first aid in patients with acute oral poisoning (paracetamol or not specified)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extractedNRNo studies
SDAC vs no intervention
Incidence of ICU admission · first aid in patients with acute oral poisoning (paracetamol or not specified)
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted1 study · 451 participantsVery low
SDAC + hospital intervention vs hospital intervention alone
Incidence of mortality · first aid in patients with acute oral poisoning (not specified, tricyclic antidepressants, combinations of different…
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
Peto OR 1.04 [0.79, 1.37]2 studies · 3425 participantsLow
SDAC + hospital intervention vs hospital intervention alone
Incidence of adverse events · first aid in patients with acute oral poisoning (not specified, tricyclic antidepressants, combinations of different…
First aid interventions by laypeople for acute oral poisoning (2018) · Cochrane
no estimate extracted3 studies · 4904 participantsVery low
Intervention NR
Mortality at end of · patients with traumatic brain injury
Hypothermia for traumatic brain injury (2017) · Cochrane
no estimate extracted32 studies · 2944 participantsVery low
Intervention NR
Unfavourable outcome at end of · patients with traumatic brain injury
Hypothermia for traumatic brain injury (2017) · Cochrane
no estimate extracted27 studies · 2620 participantsVery low
Intervention NR
Pneumonia · patients with traumatic brain injury
Hypothermia for traumatic brain injury (2017) · Cochrane
no estimate extracted14 studies · 693 participantsLow
DDAVP vs placebo or standard care
Red cell volume transfused (total) · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
no estimate extracted23 studies · 1454 participantsLow
DDAVP vs placebo or standard care: platelet dysfunction subgroup
All‐cause mortality · participants with platelet dysfunction undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
0.72 [0.12, 4.22]7 studies · 422 participantsVery low
DDAVP vs placebo or standard care: platelet dysfunction subgroup
All thrombotic events (including myocardial infarction, ischaemic stroke, other arterial thromboembolism, and venous thromboembolism) · participants with platelet dysfunction undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
1.58 [0.6, 4.17]7 studies · 422 participantsVery low
DDAVP vs placebo or standard care: platelet dysfunction subgroup
Quality of life · participants with platelet dysfunction undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
no estimate extractedNRNo studies
DDAVP vs tranexamic acid
Red cell volume transfused (total) · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
no estimate extracted1 study · 40 participantsLow
DDAVP vs tranexamic acid
Number of participants receiving a red cell transfusion (total) · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
RR 2.42 [1.04, 5.64]3 studies · 135 participantsVery low
DDAVP vs tranexamic acid
Blood loss (total) · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
no estimate extracted2 studies · 115 participantsLow
DDAVP vs tranexamic acid
All‐cause mortality · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
no estimate extractedNRNo studies
DDAVP vs tranexamic acid
All thrombotic events (including myocardial infarction, ischaemic stroke, other arterial thromboembolism, and venous thromboembolism) · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
RR 2.92 [0.32, 26.83]2 studies · 115 participantsVery low
DDAVP vs tranexamic acid
Quality of life · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
no estimate extractedNRNo studies
DDAVP vs aprotinin
Red cell volume transfused (total) · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
no estimate extractedNRNo studies
DDAVP vs placebo or standard care
Number of participants receiving a red cell transfusion (total) · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
RR 0.96 [0.86, 1.06]25 studies · 1806 participantsModerate
DDAVP vs aprotinin
Number of participants receiving a red cell transfusion (total) · participants undergoing surgery
Desmopressin use for minimising perioperative blood transfusion (2017) · Cochrane
RR 2.41 [1.45, 4.02]1 study · 99 participantsLow