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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)

1,751 questions in 147 reviews · Pain, Palliative and Supportive Care

current versions
No studies 361 · 20.6%Ungraded 87 · 5%Very low 625 · 35.7%Low 367 · 21%Moderate 232 · 13.2%High 79 · 4.5%

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
Pregabalin 300 mg vs placebo
Dizziness · adults with moderate or severe pain associated with postherpetic neuralgia
Pregabalin for neuropathic pain in adults (2019) · Cochrane
no estimate extracted5 studies · 933 participantsModerate
Pregabalin 300 mg vs placebo
Adverse event withdrawal · adults with moderate or severe pain associated with postherpetic neuralgia
Pregabalin for neuropathic pain in adults (2019) · Cochrane
no estimate extracted5 studies · 933 participantsHigh
Pregabalin 600 mg vs placebo
At least 30% pain intensity reduction · adults with moderate or severe pain associated with postherpetic neuralgia
Pregabalin for neuropathic pain in adults (2019) · Cochrane
no estimate extracted3 studies · 537 participantsModerate
Pregabalin 600 mg vs placebo
At least 50% pain intensity reduction · adults with moderate or severe pain associated with postherpetic neuralgia
Pregabalin for neuropathic pain in adults (2019) · Cochrane
no estimate extracted4 studies · 732 participantsModerate
Intervention NR
Parenting behaviors, post‐treatment Higher scores indicate greater maladaptive parenting behavior · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted9 studies · 1040 participantsLow
Intervention NR
Child mental health symptoms, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted10 studies · 1244 participantsModerate
Intervention NR
Child medical symptoms, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted10 studies · 1136 participantsLow
Intervention NR
Family functioning, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted3 studies · 201 participantsVery low
Intervention NR
Parenting behaviors, post‐treatment Higher scores indicate greater maladaptive parenting behavior · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted7 studies · 947 participantsLow
Intervention NR
Parent mental health symptoms, post‐treatment Higher scores indicate greater mental health symptoms · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted6 studies · 891 participantsModerate
Intervention NR
Child behavior/disability, post‐treatment Higher scores indicate greater disability · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted3 studies · 247 participantsVery low
Intervention NR
Child mental health symptoms, post‐treatment Higher scores indicate greater mental health symptoms · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted4 studies · 276 participantsVery low
Intervention NR
Child medical symptoms, post‐treatment Higher scores indicate greater medical symptoms · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted5 studies · 679 participantsVery low
Intervention NR
Family functioning, post‐treatment Higher scores indicate poorer family functioning · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted2 studies · 237 participantsVery low
Intervention NR
Parenting behaviors, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted6 studies · 852 participantsVery low
Intervention NR
Parent mental health symptoms, post‐treatment Higher scores indicate greater mental health symptoms · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted8 studies · 811 participantsVery low
Intervention NR
Parent mental health symptoms, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted5 studies · 800 participantsModerate
Intervention NR
Child behavior/disability, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted2 studies · 114 participantsVery low
Intervention NR
Child mental health symptoms, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted3 studies · 212 participantsVery low
Intervention NR
Child medical symptoms, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted3 studies · 210 participantsVery low
Intervention NR
Family functioning, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted1 study · 101 participantsVery low
Intervention NR
Child behavior/disability, post‐treatment Higher scores indicate greater disability · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted10 studies · 1236 participantsModerate
Intervention NR
Child mental health symptoms, post‐treatment Higher scores indicate greater mental health symptoms · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted15 studies · 1786 participantsHigh
Intervention NR
Child medical symptoms, post‐treatment Higher scores indicate greater medical symptoms · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted13 studies · 1434 participantsVery low
Intervention NR
Family functioning, post‐treatment Higher scores indicate poorer family functioning · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted5 studies · 429 participantsVery low
Intervention NR
Parenting behaviors, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted6 studies · 743 participantsModerate
Intervention NR
Parent mental health symptoms, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted5 studies · 592 participantsVery low
Intervention NR
Child behavior/disability, · parents of children with chronic illness
Psychological interventions for parents of children and adolescents with chronic illness (2019) · Cochrane
no estimate extracted8 studies · 1038 participantsModerate
Herbal treatment vs placebo
Participant‐reported pain relief of 30% or greater Immediately post‐intervention · adults with neuropathic pain
Herbal medicinal products or preparations for neuropathic pain (2019) · Cochrane
RR 1.12 [0.69, 1.85]1 study · 74 participantsVery low
Herbal treatment vs placebo
Participant‐reported pain relief of 50% or greater Immediately post‐intervention · adults with neuropathic pain
Herbal medicinal products or preparations for neuropathic pain (2019) · Cochrane
no estimate extractedNRNo studies
Herbal treatment vs placebo
Participant‐reported global impression of clinical change (PGIC) much or very much improved (moderate) Immediately post‐intervention · adults with neuropathic pain
Herbal medicinal products or preparations for neuropathic pain (2019) · Cochrane
no estimate extractedNRNo studies
Herbal treatment vs placebo
Participant‐reported global impression of clinical change (PGIC) very much improved (substantial) Immediately post‐intervention · adults with neuropathic pain
Herbal medicinal products or preparations for neuropathic pain (2019) · Cochrane
no estimate extractedNRNo studies
Herbal treatment vs placebo
Any pain‐related outcome indicating some improvement VAS 1‐100 Immediately post‐intervention (high score indicates more pain relief) · adults with neuropathic pain
Herbal medicinal products or preparations for neuropathic pain (2019) · Cochrane
no estimate extracted1 study · 74 participantsVery low
Herbal treatment vs placebo
Study withdrawals Post‐intervention · adults with neuropathic pain
Herbal medicinal products or preparations for neuropathic pain (2019) · Cochrane
RR 0.83 [0.26, 2.64]2 studies · 128 participantsVery low
Herbal treatment vs placebo
Adverse events Post‐intervention · adults with neuropathic pain
Herbal medicinal products or preparations for neuropathic pain (2019) · Cochrane
RR 1 [0.55, 1.81]2 studies · 128 participantsVery low
Intervention NR
Achievement of at least 50% reduction in headache severity Post‐treatment Higher scores indicate more children with reduced headache · children or adolescents with headaches
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
RR 2.02 [1.35, 3.01]7 studies · 379 participantsVery low
Intervention NR
Disability Post‐treatment Lower scores indicate lower levels of disability · children or adolescents with mixed chronic pain conditions
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted3 studies · 363 participantsVery low
Intervention NR
Disability · children or adolescents with mixed chronic pain conditions
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted1 study · 269 participantsVery low
Intervention NR
Depression Post‐treatment Lower scores indicate lower levels of depression · children or adolescents with mixed chronic pain conditions
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted2 studies · 317 participantsVery low
Intervention NR
Anxiety Post‐treatment Lower scores indicate lower levels of anxiety · children or adolescents with mixed chronic pain conditions
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted2 studies · 370 participantsVery low
Intervention NR
Anxiety · children or adolescents with mixed chronic pain conditions
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted1 study · 269 participantsVery low
Intervention NR
Achievement of at least 50% reduction in headache severity · children or adolescents with headaches
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
RR 1.76 [0.88, 3.52]4 studies · 230 participantsVery low
Intervention NR
Disability Post‐treatment Lower scores indicate lower levels of disability · children or adolescents with headaches
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted5 studies · 440 participantsVery low
Intervention NR
Disability · children or adolescents with headaches
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted3 studies · 341 participantsVery low
Intervention NR
Depression Post‐treatment Lower scores indicate lower levels of depression · children or adolescents with headaches
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted4 studies · 422 participantsVery low
Intervention NR
Anxiety Post‐treatment Lower scores indicate lower levels of anxiety · children or adolescents with headaches
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted3 studies · 380 participantsVery low
Intervention NR
Anxiety · children or adolescents with headaches
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted3 studies · 360 participantsVery low
Intervention NR
Pain intensity Post‐treatment Lower scores indicate lower levels of pain intensity · children or adolescents with mixed chronic pain conditions
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted5 studies · 501 participantsVery low
Intervention NR
Pain intensity · children or adolescents with mixed chronic pain conditions
Psychological therapies (remotely delivered) for the management of chronic and recurrent pain in children… (2019) · Cochrane
no estimate extracted2 studies · 301 participantsVery low
Non‐steroidal anti‐inflammatory drugs (NSAID) vs placebo
Participant‐reported pain relief of 50% or greater · adults with sickle cell disease in a vaso‐occlusive crises
Pharmacological interventions for painful sickle cell vaso‐occlusive crises in adults (2019) · Cochrane
no estimate extractedNRNo studies