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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)

2,206 questions in 117 reviews · Common Mental Disorders

current versions
No studies 387 · 17.5%Ungraded 111 · 5%Very low 635 · 28.8%Low 568 · 25.7%Moderate 449 · 20.4%High 56 · 2.5%

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
Antipsychotic vs placebo
Quality of life · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antipsychotic vs placebo
Dropouts due to adverse effects · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs antidepressant
Clinical response · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRVery low
Antidepressant vs antidepressant
Overall dropouts · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRVery low
Antidepressant vs antidepressant
Depression remission · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs antidepressant
Change in depression severity from baseline · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs antidepressant
Quality of life · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs antidepressant
Dropouts due to adverse effects · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs antipsychotic
Clinical response of depression · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 2.09 [0.64, 6.82]1 study · 36 participantsVery low
Antidepressant vs placebo
Overall dropouts · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 1.24 [0.34, 4.51]1 study · 27 participantsVery low
Antidepressant vs antipsychotic
Overall dropouts · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 1.79 [0.18, 18.02]1 study · 36 participantsVery low
Antidepressant vs antipsychotic
Depression remission · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs antipsychotic
Change in depression severity from baseline · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs antipsychotic
Quality of life · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs antipsychotic
Dropouts due to adverse effects · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo
Clinical response of depression · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 1.86 [1.23, 2.82]2 studies · 148 participantsVery low
Antidepressant plus antipsychotic vs placebo
Overall dropouts · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 0.75 [0.48, 1.18]2 studies · 148 participantsVery low
Antidepressant plus antipsychotic vs placebo
Depression remission · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo
Change in depression severity from baseline · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo
Quality of life · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs placebo
Depression remission · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo
Dropouts due to adverse effects · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus antipsychotic
Clinical response of depression · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 1.83 [1.4, 2.38]4 studies · 447 participantsLow
Antidepressant plus antipsychotic vs placebo plus antipsychotic
Overall dropouts · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 0.79 [0.63, 1.01]4 studies · 447 participantsVery low
Antidepressant plus antipsychotic vs placebo plus antipsychotic
Depression remission · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus antipsychotic
Change in depression severity from baseline · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus antipsychotic
Quality of life · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus antipsychotic
Dropouts due to adverse effects · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus antidepressant
Clinical response of depression · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 1.42 [1.11, 1.8]4 studies · 245 participantsVery low
Antidepressant plus antipsychotic vs placebo plus antidepressant
Overall dropouts · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 0.91 [0.55, 1.5]4 studies · 245 participantsVery low
Antidepressant plus antipsychotic vs placebo plus antidepressant
Depression remission · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs placebo
Change in depression severity from baseline · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus antidepressant
Change in depression severity from baseline · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus antidepressant
Quality of life · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus antidepressant
Dropouts due to adverse effects · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus the same antidepressant
Clinical response of depression · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 1.7 [1.19, 2.43]3 studies · 157 participantsVery low
Antidepressant plus antipsychotic vs placebo plus the same antidepressant
Overall dropouts · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 1.04 [0.52, 2.07]3 studies · 157 participantsVery low
Antidepressant plus antipsychotic vs placebo plus the same antidepressant
Depression remission · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus the same antidepressant
Change in depression severity from baseline · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus the same antidepressant
Quality of life · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant plus antipsychotic vs placebo plus the same antidepressant
Dropouts due to adverse effects · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs placebo
Quality of life · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antidepressant vs placebo
Dropouts due to adverse effects · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
Antipsychotic vs placebo
Clinical response of depression · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 1.13 [0.74, 1.73]2 studies · 201 participantsVery low
Antipsychotic vs placebo
Overall dropouts · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 0.79 [0.57, 1.08]2 studies · 201 participantsVery low
Antipsychotic vs placebo
Depression remission · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies
n3PUFAs vs placebo
Depressive symptomology (continuous)HDRS where possible; higher scores indicate greater symptomology · Adult patients with major depressive disorder (MDD)
Omega‐3 fatty acids for depression in adults (2021) · Cochrane
no estimate extracted33 studies · 1848 participantsVery low
n3PUFAs vs placebo
Adverse eventsStudy reports · Adult patients with major depressive disorder (MDD)
Omega‐3 fatty acids for depression in adults (2021) · Cochrane
OR 1.27 [0.99, 1.64]24 studies · 1503 participantsVery low
n3PUFAs vs placebo
Depressive symptomology (dichotomous ‐ remission)Depressive symptomology rating scale as used by authors · Adult patients with major depressive disorder (MDD)
Omega‐3 fatty acids for depression in adults (2021) · Cochrane
OR 1.13 [0.74, 1.72]8 studies · 609 participantsLow
n3PUFAs vs placebo
Depressive symptomology (dichotomous ‐ response)Depressive symptomology rating scale as used by authors · Adult patients with major depressive disorder (MDD)
Omega‐3 fatty acids for depression in adults (2021) · Cochrane
OR 1.2 [0.8, 1.79]17 studies · 794 participantsLow