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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)

2,395 questions in 172 reviews · Gut

current versions
No studies 420 · 17.5%Ungraded 60 · 2.5%Very low 821 · 34.3%Low 602 · 25.1%Moderate 397 · 16.6%High 95 · 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
Self‐directed stress management (it is unclear whether these interventions replaced standard treatment or were added to standard treatment) vs standard treatment
Withdrawals due to adverse events · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Enteric‐release glyceryl trinitrate vs placebo
Treatment success as defined by the authors · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Enteric‐release glyceryl trinitrate vs placebo
Abdominal pain frequency or change in frequency · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Low FODMAP diet vs sham diet
Pain frequency IBD (measured in days with moderate or severe pain on the GSRS questionnaire) · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 52 participantsVery low
Enteric‐release glyceryl trinitrate vs placebo
Abdominal pain intensity or change in intensity · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Enteric‐release glyceryl trinitrate vs placebo
Withdrawal due to adverse events · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
RR 3.18 [0.94, 10.76]1 study · 70 participantsVery low
100 mg olorinab 3 times/day vs 25 mg olorinab 3 times/day
Treatment success as defined by the authors · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
100 mg olorinab 3 times/day vs 25 mg olorinab 3 times/day
Pain frequency or change in pain frequency · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
100 mg olorinab 3 times/day vs 25 mg olorinab 3 times/day
Pain intensity (30% reduction in weekly AAPS) · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
RR 0.66 [0.38, 1.15]1 study · 14 participantsVery low
100 mg olorinab 3 times/day vs 25 mg olorinab 3 times/day
Withdrawal due to adverse events · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 14 participantsVery low
Relaxation training vs waitlist
Treatment success as defined by the authors · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Relaxation training vs waitlist
Pain frequency or change in pain frequency · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Relaxation training vs waitlist
Pain intensity (0‐10cm visual analogue scale) · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 56 participantsVery low
Relaxation training vs waitlist
Withdrawals due to adverse effects · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Low FODMAP diet vs sham diet
Pain frequency CD (measured in days of pain on the IBS‐SSS questionnaire) · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 26 participantsVery low
Web‐based education vs standard book‐based education
Treatment success as defined by the authors · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Web‐based education vs standard book‐based education
Abdominal pain frequency or change in frequency · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Web‐based education vs standard book‐based education
Pain intensity (0‐10cm visual analogue scale) · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Web‐based education vs standard book‐based education
Withdrawals due to adverse events · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Yoga intervention vs no treatment (both groups received standard medical therapy)
Treatment success as defined by the authors · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Yoga intervention vs no treatment (both groups received standard medical therapy)
Abdominal pain frequency or change in frequency · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Yoga intervention vs no treatment (both groups received standard medical therapy)
Abdominal pain intensity or change in intensity · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Yoga intervention vs no treatment (both groups received standard medical therapy)
Withdrawal due to adverse events · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 100 participantsVery low
Transcranial direct current stimulation vs sham stimulation
Treatment success as defined by the authors · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Transcranial direct current stimulation vs sham stimulation
Abdominal pain frequency or change in frequency · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Low FODMAP diet vs sham diet
Pain intensity IBD (0‐10cm visual analogue scale) · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted2 studies · 82 participantsVery low
Transcranial direct current stimulation vs sham stimulation
Pain intensity (0‐10cm visual analogue scale) · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 20 participantsLow
Transcranial direct current stimulation vs sham stimulation
Withdrawal due to adverse events · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 20 participantsLow
Kefir ( Lactobacillus bacteria) vs no intervention
Treatment success as defined by the authors · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Kefir ( Lactobacillus bacteria) vs no intervention
Abdominal pain frequency or change in frequency · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Kefir ( Lactobacillus bacteria) vs no intervention
Pain intensity IBD (4‐point rating scale from 0 to 3) Â · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 48 participantsVery low
Kefir ( Lactobacillus bacteria) vs no intervention
Pain intensity CD (4‐point rating scale from 0 to 3) · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 20 participantsVery low
Kefir ( Lactobacillus bacteria) vs no intervention
Withdrawals due to adverse events · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 20 participantsVery low
Low FODMAP diet vs sham diet
Pain intensity IBD (0‐3 point GSRS scale) · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 26 participantsVery low
Low FODMAP diet vs sham diet
Pain intensity CD (0‐10cm visual analogue scale) · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extracted1 study · 52 participantsVery low
Low FODMAP diet vs sham diet
Withdrawal due to adverse events · people with inflammatory bowel disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
RR 1.85 [0.18, 19.19]1 study · 52 participantsVery low
Medicine‐separated moxibustion combined with acupuncture vs wheat bran‐separated moxibustion combined with shallow acupuncture
Treatment success as defined by the authors · people with Crohn's disease
Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease (2021) · Cochrane
no estimate extractedNRNo studies
Low FODMAPs diet vs sham diet
Treatment success as defined by the authors · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extractedNRNo studies
Relaxation training vs wait‐list
Withdrawals due to adverse events · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extractedNRNo studies
Yoga intervention vs no intervention
Treatment success as defined by the authors · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extractedNRNo studies
Yoga intervention vs no intervention
Pain frequency · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extractedNRNo studies
Yoga intervention vs no intervention
Pain intensity · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extractedNRNo studies
Yoga intervention vs no intervention
Withdrawal due to adverse events · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
RR 0.5 [0.05, 5.22]1 study · 60 participantsVery low
Yoga intervention vs no intervention
State anxiety (20‐item State Anxiety Inventory, results range between 20 and 80) · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Yoga intervention vs no intervention
Trait anxiety (20‐item Trait Anxiety Inventory, results range between 20 and 80) · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Kefir vs no intervention
Treatment success as defined by the authors · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extractedNRNo studies
Kefir vs no intervention
Pain frequency · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extractedNRNo studies
Kefir vs no intervention
Pain intensity (measure on a 0‐3 four‐point scale) · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extracted1 study · 25 participantsVery low
Low FODMAPs diet vs sham diet
Pain frequency (measured in days of pain on the IBS‐SSS questionnaire) · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extracted1 study · 26 participantsVery low
Kefir vs no intervention
Withdrawals due to adverse events · UC patients
Interventions for the management of abdominal pain in ulcerative colitis (2021) · Cochrane
no estimate extracted1 study · 20 participantsUngraded