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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
Dexketoprofen 10 mg‐12.5 mg vs placebo
Participants with ≥ 1 adverse event following a single dose · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted4 studies · 380 participantsHigh
Dexketoprofen 10 mg‐12.5 mg vs placebo
Participants with a serious adverse event following a single dose · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted6 studies · 574 participantsVery low
Dexketoprofen 20 mg or 25 mg vs placebo
Participants with ≥ 50% pain relief over 4‐6 hours · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted8 studies · 1177 participantsHigh
Dexketoprofen 20 mg or 25 mg vs placebo
Median (mean) time to use of rescue medication · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted3 studies · 281 participantsVery low
Dexketoprofen 20 mg or 25 mg vs placebo
Participants using rescue medication over 6 hours · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted5 studies · 445 participantsHigh
Dexketoprofen 20 mg or 25 mg vs placebo
Participants with ≥ 1 adverse event following a single dose · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted6 studies · 536 participantsHigh
Ketoprofen 25 mg vs placebo
Median (mean) time to use of rescue medication · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted2 studies · 188 participantsVery low
Dexketoprofen 20 mg or 25 mg vs placebo
Participants with a serious adverse event following a single dose · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted9 studies · 1271 participantsVery low
Ketoprofen 25 mg vs placebo
Participants using rescue medication over 6 hours · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted6 studies · 402 participantsModerate
Ketoprofen 25 mg vs placebo
Participants with ≥ 1 adverse event following a single dose · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted7 studies · 490 participantsHigh
Ketoprofen 25 mg vs placebo
Participants with a serious adverse event following a single dose · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted8 studies · 535 participantsVery low
Ketoprofen 50 mg vs placebo
Participants with ≥ 50% pain relief over 4‐6 hours · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted8 studies · 594 participantsHigh
Ketoprofen 50 mg vs placebo
Median (mean) time to use of rescue medication · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted1 study · 77 participantsVery low
Ketoprofen 50 mg vs placebo
Participants using rescue medication over 6 hours · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted4 studies · 263 participantsHigh
Ketoprofen 50 mg vs placebo
Participants with ≥ 1 adverse event following a single dose · adults with moderate or severe acute postoperative pain
Single dose oral ketoprofen or dexketoprofen for acute postoperative pain in adults (2017) · Cochrane
no estimate extracted5 studies · 342 participantsHigh
High‐concentration (8%) capsaicin patch vs control patch (0.4%)
Substantial benefit · adults with postherpetic neuralgia
Topical capsaicin (high concentration) for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extractedNRNo studies
High‐concentration (8%) capsaicin patch vs control patch (0.4%)
PGICvery much improved, week 8 and week 12 · adults with postherpetic neuralgia
Topical capsaicin (high concentration) for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extractedNRVery low
High‐concentration (8%) capsaicin patch vs control patch (0.4%)
Moderate benefit · adults with postherpetic neuralgia
Topical capsaicin (high concentration) for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extractedNRModerate
High‐concentration (8%) capsaicin patch vs control patch (0.4%)
PGICmuch or very much improved, week 8 · adults with postherpetic neuralgia
Topical capsaicin (high concentration) for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted2 studies · 571 participantsModerate
High‐concentration (8%) capsaicin patch vs control patch (0.4%)
PGIC much or very much improved, week 12 · adults with postherpetic neuralgia
Topical capsaicin (high concentration) for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted2 studies · 571 participantsModerate
High‐concentration (8%) capsaicin patch vs control patch (0.4%)
Withdrawals due to lack of efficacy · adults with postherpetic neuralgia
Topical capsaicin (high concentration) for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted6 studies · 2073 participantsModerate
High‐concentration (8%) capsaicin patch vs control patch (0.4%)
Withdrawals due to adverse events · adults with postherpetic neuralgia
Topical capsaicin (high concentration) for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted8 studies · 2487 participantsModerate
High‐concentration (8%) capsaicin patch vs control patch (0.4%)
Serious adverse events · adults with postherpetic neuralgia
Topical capsaicin (high concentration) for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted7 studies · 1993 participantsModerate
High‐concentration (8%) capsaicin patch vs control patch (0.4%)
Death · adults with postherpetic neuralgia
Topical capsaicin (high concentration) for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted8 studies · 2487 participantsVery low
Gabapentin vs placebo
At least 50% reduction in pain or equivalent · adults with postherpetic neuralgia
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted7 studies · 2031 participantsModerate
Gabapentin vs placebo
Adverse event withdrawals · adults with neuropathic pain
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted22 studies · 4346 participantsHigh
Gabapentin vs placebo
Serious adverse events · adults with neuropathic pain
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted19 studies · 3948 participantsModerate
Gabapentin vs placebo
Death · adults with neuropathic pain
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extractedNRVery low
Gabapentin vs placebo
IMMPACT definition ‐ any substantial pain benefit · adults with postherpetic neuralgia
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted8 studies · 2260 participantsModerate
Gabapentin vs placebo
Patient Global Impression of Change much or very much improved · adults with postherpetic neuralgia
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted7 studies · 2013 participantsModerate
Gabapentin vs placebo
IMMPACT definition ‐ any at least moderate pain benefit (includes Gong 2008 at 25% pain relief) · adults with postherpetic neuralgia
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted8 studies · 2260 participantsModerate
Gabapentin vs placebo
At least 50% pain intensity reduction · adults with peripheral diabetic neuropathy
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted6 studies · 1331 participantsModerate
Gabapentin vs placebo
Any definition of substantial benefit (at least 50% pain intensity reduction or PGIC very much improved) · adults with peripheral diabetic neuropathy
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted6 studies · 1331 participantsModerate
Gabapentin vs placebo
PGIC much or very much improved · adults with peripheral diabetic neuropathy
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted5 studies · 695 participantsModerate
Gabapentin vs placebo
Any definition of moderate benefit (at least 30% pain intensity reduction or PGIC much or very much improved) · adults with peripheral diabetic neuropathy
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted7 studies · 1439 participantsModerate
Gabapentin vs placebo
Participants experiencing at least one adverse event · adults with neuropathic pain
Gabapentin for chronic neuropathic pain in adults (2017) · Cochrane
no estimate extracted18 studies · 4279 participantsModerate
Intervention NR
Number of participants with self‐reported pain intensity reduction of at least 50% from baseline · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pain intensity · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extracted4 studies · 413 participantsModerate
Intervention NR
Analgesic use measured via PCA · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extracted2 studies · 104 participantsLow
Intervention NR
Mental distress · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extracted13 studies · 1388 participantsModerate
Intervention NR
Mobility · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extracted3 studies · 444 participantsLow
Intervention NR
Time to extubation · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Number of participants with self‐reported pain intensity reduction of at least 50% from baseline · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Number of participants below 30/100 mm on the visual analogue scale (VAS) in self‐reported postoperative pain intensity · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pain intensity · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extracted2 studies · 200 participantsModerate
Intervention NR
Analgesic use measured via PCA · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Mental distress · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extracted14 studies · 1586 participantsModerate
Intervention NR
Number of participants below 30/100 mm on the visual analogue scale (VAS) in self‐reported postoperative pain intensity · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
RR 1.2 [0.68, 2.12]1 study · 73 participantsVery low
Intervention NR
Mobility · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extracted4 studies · 458 participantsModerate
Intervention NR
Time to extubation · adults undergoing open heart surgery
Psychological interventions for acute pain after open heart surgery (2017) · Cochrane
no estimate extractedNRNo studies