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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)

970 questions in 77 reviews · Epilepsy

current versions
No studies 190 · 19.6%Ungraded 42 · 4.3%Very low 135 · 13.9%Low 289 · 29.8%Moderate 242 · 24.9%High 72 · 7.4%

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
Amitriptyline vs nomifensine
Adverse effects · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Venlafaxine vs no treatment
> 50% reduction in depressive symptoms · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
RR 3.25 [1.19, 8.9]1 study · 64 participantsLow
Venlafaxine vs no treatment
Mean depression scores (HAMD scores; lower = better) · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted1 study · 64 participantsLow
Venlafaxine vs no treatment
Seizure frequency · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Venlafaxine vs no treatment
Withdrawals · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Venlafaxine vs no treatment
Cognitive functioning · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Paroxetine vs doxepin
Mean depression scores (HAMD scores; lower = better) · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted1 study · 67 participantsModerate
Venlafaxine vs no treatment
Quality of life · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Venlafaxine vs no treatment
Adverse effects · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Sertraline vs cognitive behavioural therapy
> 50% reduction in depressive symptoms · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Sertraline vs cognitive behavioural therapy
Mean depression scores (BDI scores; lower = better) · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted1 study · 117 participantsModerate
Sertraline vs cognitive behavioural therapy
Seizure frequency · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted1 study · 96 participantsLow
Sertraline vs cognitive behavioural therapy
Withdrawals · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
RR 1.26 [0.64, 2.46]1 study · 140 participantsModerate
Sertraline vs cognitive behavioural therapy
Cognitive functioning · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Sertraline vs cognitive behavioural therapy
Quality of life (QOLIE‐89 scale; lower = better) · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted1 study · 118 participantsModerate
Sertraline vs cognitive behavioural therapy
Adverse effects · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted1 study · 118 participantsLow
Intervention NR
> 50% reduction in depressive symptoms · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted45 participantsLow
Paroxetine vs doxepin
Seizure frequency · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Mean depression scores (HAMD scores; lower = better) · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted88 participantsLow
Intervention NR
Seizure frequency · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted88 participantsVery low
Intervention NR
Withdrawals · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted88 participantsLow
Intervention NR
Cognitive functioning · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Quality of life · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Adverse effects · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted88 participantsLow
Selective serotonin reuptake inhibitors vs cognitive behavioural therapy
> 50% reduction in depressive symptoms · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Selective serotonin reuptake inhibitors vs cognitive behavioural therapy
Mean depression scores (BDI scores; lower = better) · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted15 participantsVery low
Selective serotonin reuptake inhibitors vs cognitive behavioural therapy
Seizure frequency · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted15 participantsVery low
Selective serotonin reuptake inhibitors vs cognitive behavioural therapy
Withdrawals · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
RR 0.44 [0.05, 3.85]15 participantsVery low
Paroxetine vs doxepin
Withdrawals · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
RR 0.15 [0.01, 2.74]1 study · 67 participantsModerate
Selective serotonin reuptake inhibitors vs cognitive behavioural therapy
Cognitive functioning · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Selective serotonin reuptake inhibitors vs cognitive behavioural therapy
Quality of life ‐ QOLIE‐31 scale · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted15 participantsVery low
Selective serotonin reuptake inhibitors vs cognitive behavioural therapy
Adverse effects ‐ adverse event profile · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Paroxetine vs doxepin
Cognitive functioning · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Paroxetine vs doxepin
Quality of life · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Paroxetine vs doxepin
Adverse effects · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted1 study · 67 participantsModerate
Amitriptyline vs nomifensine
> 50% reduction in depressive symptoms · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
RR 0.55 [0.28, 1.06]1 study · 28 participantsLow
Amitriptyline vs nomifensine
Mean depression scores · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Repetitive transcranial magnetic stimulation (rTMS) vs control
Reduction in seizure frequency: the proportion of people with a 50% or greater reduction in seizure frequency following the treatment period · adults and children with epilepsy
Transcranial magnetic stimulation for the treatment of epilepsy (2021) · Cochrane
no estimate extracted4 studies · 109 participantsLow
Repetitive transcranial magnetic stimulation (rTMS) vs control
Reduction in seizure frequency: the difference in pre‐ and post‐treatment seizure rates · adults and children with epilepsy
Transcranial magnetic stimulation for the treatment of epilepsy (2021) · Cochrane
no estimate extracted8 studies · 225 participantsLow
Repetitive transcranial magnetic stimulation (rTMS) vs control
Improvement in quality of life: the difference in quality of life scores for participants surveyed before and after treatment · adults and children with epilepsy
Transcranial magnetic stimulation for the treatment of epilepsy (2021) · Cochrane
no estimate extracted1 study · 7 participantsVery low
Chloral hydrate oral (50 mg/kg or 100 mg/kg) vs dexmedetomidine oral (2 µg/kg or 3 µg/kg)
Proportion of children who successfully completed neurodiagnostic procedure without interruption by the child awakening · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
no estimate extractedNRNo studies
Chloral hydrate oral (75 mg/kg) vs pentobarbital intravenous (5 mg/kg)
Proportion of children who had sedation failure after 1 dose of sedative agent · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
RR 4.33 [1.35, 13.89]1 study · 70 participantsLow
Chloral hydrate oral (75 mg/kg) vs pentobarbital intravenous (5 mg/kg)
Proportion of children who had sedation failure after 2 doses of sedative agent (same or different) · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
RR 3 [0.33, 27.46]1 study · 70 participantsVery low
Chloral hydrate oral (75 mg/kg) vs pentobarbital intravenous (5 mg/kg)
Non‐interpretable neuroimaging finding · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
RR 0.23 [0.03, 1.94]1 study · 54 participantsVery low
Chloral hydrate oral (75 mg/kg) vs pentobarbital intravenous (5 mg/kg)
Number of children with clinical adverse event: oxygen desaturation · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
RR 0.67 [0.21, 2.16]1 study · 70 participantsVery low
Chloral hydrate oral (100 mg/kg or 75 mg/kg) vs midazolam (intranasal 0.2 mg/kg or oral 0.5 mg/kg)
Proportion of children who successfully completed neurodiagnostic procedure without interruption by the child awakening · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
no estimate extractedNRNo studies
Chloral hydrate oral (100 mg/kg or 75 mg/kg) vs midazolam (intranasal 0.2 mg/kg or oral 0.5 mg/kg)
Proportion of children who required a further dose of either the same sedative agent or the addition of a different sedative agent · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
no estimate extractedNRNo studies
Chloral hydrate oral (100 mg/kg or 75 mg/kg) vs midazolam (intranasal 0.2 mg/kg or oral 0.5 mg/kg)
Time to adequate sedation (minutes or as measured by specific validated scales such as the Ramsay Sedation Score) · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
no estimate extracted1 study · 60 participantsModerate
Chloral hydrate oral (100 mg/kg or 75 mg/kg) vs midazolam (intranasal 0.2 mg/kg or oral 0.5 mg/kg)
Proportion of children with inadequate level of sedation (Ramsay score below 4) · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
RR 0.11 [0.03, 0.44]1 study · 60 participantsModerate
Chloral hydrate oral (100 mg/kg or 75 mg/kg) vs midazolam (intranasal 0.2 mg/kg or oral 0.5 mg/kg)
Proportion of children who had sedation failure after 1 dose of sedative agent · children undergoing neurodiagnostic procedures
Chloral hydrate as a sedating agent for neurodiagnostic procedures in children (2021) · Cochrane
RR 0.17 [0.02, 1.12]1 study · 33 participantsLow