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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)

420 questions in 57 reviews · Gut

current versions
No studies 420 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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
High dose 5‐ASA vs low dose 5‐ASA
Radiologic relapse · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
High dose 5‐ASA vs low dose 5‐ASA
Serious adverse events · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
5‐ASA vs no treatment
Endoscopic recurrence · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
High dose 5‐ASA vs low dose 5‐ASA
Health related quality of life · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
5‐ASA vs no treatment
Radiologic relapse · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
5‐ASAs vs anti TNF‐ɑ
Serious adverse events · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
Sulphasalazine vs placebo
Endoscopic recurrence · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
Sulphasalazine vs placebo
Radiologic relapse · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
Sulphasalazine vs placebo
Adverse events · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
Sulphasalazine vs placebo
Serious adverse events · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
Sulphasalazine vs placebo
Health related quality of life (HRQL) · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
5‐ASA vs no treatment
Serious adverse events · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
5‐ASA vs no treatment
Health related quality of life · people with surgically‐induced remission in Crohn's disease
Oral 5‐aminosalicylic acid for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs usual care
Abdominal pain · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs usual care
Stool frequency · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs usual care
Stool consistency · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs usual care
Adverse events · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy plus usual care vs usual care
Abdominal pain · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy plus usual care vs usual care
Stool frequency · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy plus usual care vs usual care
Stool consistency · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy plus usual care vs usual care
Adverse events · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy plus usual care vs supportive listening plus usual care
Quality of life · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy plus usual care vs supportive listening plus usual care
Abdominal pain · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy plus usual care vs supportive listening plus usual care
Stool frequency · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy plus usual care vs supportive listening plus usual care
Stool consistency · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy plus usual care vs supportive listening plus usual care
Adverse events · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs placebo
Quality of life · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs placebo
Abdominal pain · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs placebo
Stool frequency · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs placebo
Stool consistency · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs placebo
Adverse events · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Homeopathy vs usual care
Quality of life · patients with irritable bowel syndrome
Homeopathy for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Azathioprine or 6‐mercaptopurine vs anti TNF‐α
Surgical relapse · People with surgically‐induced remission in Crohn's disease
Azathioprine and 6‐mercaptopurine for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
Azathioprine or 6‐mercaptopurine vs placebo
Radiologic relapse · People with surgically‐induced remission in Crohn's disease
Azathioprine and 6‐mercaptopurine for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
Azathioprine or 6‐mercaptopurine vs placebo
Surgical relapse · People with surgically‐induced remission in Crohn's disease
Azathioprine and 6‐mercaptopurine for maintenance of surgically‐induced remission in Crohn's disease (2019) · Cochrane
no estimate extractedNRNo studies
Biofeedback vs hypnotherapy
Quality of life (QoL) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Biofeedback vs hypnotherapy
Adverse events (AE) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Biofeedback vs hypnotherapy
Serious adverse events (SAE) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Biofeedback vs hypnotherapy
Abdominal pain (Pain) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Biofeedback plus standard therapy vs standard therapy
Quality of life (QoL) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Multi‐component psychological intervention (with biofeedback) vs no‐treatment control
Quality of life (QoL) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Multi‐component psychological intervention (with biofeedback) vs no‐treatment control
Adverse events (AE) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Multi‐component psychological intervention (with biofeedback) vs no‐treatment control
Serious adverse events (SAE) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Biofeedback plus standard therapy vs standard therapy
Adverse events (AE) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Multi‐component psychological intervention (with biofeedback) vs attention control
Quality of life (QoL) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Multi‐component psychological intervention (with biofeedback) vs attention control
Adverse events (AE) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Multi‐component psychological intervention (with biofeedback) vs attention control
Serious adverse events (SAE) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Biofeedback plus standard therapy vs standard therapy
Serious adverse events (SAE) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Biofeedback vs relaxation training
Quality of life (QoL) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Biofeedback vs relaxation training
Adverse events (AE) · people with irritable bowel syndrome
Biofeedback for treatment of irritable bowel syndrome (2019) · Cochrane
no estimate extractedNRNo studies