Cochrane Review Group

Gut

172 systematic reviews in Gut ask 2,395 questions. 17.5% have no studies to answer them, 34.3% rest on very low certainty evidence and 20.6% reach moderate or high certainty.

Reviews

172

Questions

2,395

current versions

No studies

17.5%

Moderate or high

20.6%

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.

Search questions in Gut

Thinnest evidence

All no studies and very low questions

Question	Effect	Evidence	Status / GRADE
Infliximab vs purine analogues Loss of clinical response · Crohn's disease patients (in remission at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	no estimate extracted	NR	No studies
Infliximab vs purine analogues Withdrawal due to adverse events · Crohn's disease patients (in remission at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	no estimate extracted	NR	No studies
Infliximab vs purine analogues Serious adverse events (at 2 years) · Crohn's disease patients (in remission at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	RR 0.79 [0.37, 1.68]	1 study · 140 participants	Very low
Subcutaneous CT‐P13 and purine analogues vs intravenous CT‐P13 and purine analogues Clinical relapse (at 22 weeks, CDAI > 150) · patients with Crohn's disease (active disease population with clinical response at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	RR 1.01 [0.65, 1.57]	1 study · 53 participants	Very low
Subcutaneous CT‐P13 and purine analogues vs intravenous CT‐P13 and purine analogues Loss of clinical response (at 22 weeks, less than 100 points in CDAI change) · patients with Crohn's disease (active disease population with clinical response at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	RR 0.94 [0.7, 1.25]	1 study · 53 participants	Very low
Subcutaneous CT‐P13 and purine analogues vs intravenous CT‐P13 and purine analogues Withdrawal due to adverse events (at 30 weeks) · patients with Crohn's disease (active disease population with clinical response at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	RR 0.77 [0.3, 1.97]	1 study · 53 participants	Very low
Infliximab vs placebo Loss of clinical response (at 32 weeks, less than 70 points in CDAI change) · patients with Crohn's disease (mixed disease activity population with clinical response at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	RR 0.59 [0.37, 0.96]	1 study · 73 participants	Very low
Subcutaneous CT‐P13 and purine analogues vs intravenous CT‐P13 and purine analogues Serious adverse events · patients with Crohn's disease (active disease population with clinical response at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	no estimate extracted	NR	No studies
Infliximab vs adalimumab Clinical relapse · patients with Crohn's disease (active disease population with clinical response at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	no estimate extracted	NR	No studies
Infliximab vs adalimumab Loss of clinical response (at 56 weeks, less than 100 points in CDAI change) · patients with Crohn's disease (active disease population with clinical response at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	RR 0.68 [0.29, 1.59]	1 study · 73 participants	Very low
Infliximab vs adalimumab Withdrawal due to adverse events (at 56 weeks) · patients with Crohn's disease (active disease population with clinical response at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	RR 0.1 [0.01, 0.72]	1 study · 73 participants	Very low
Infliximab vs adalimumab Serious adverse events (at 56 weeks) · patients with Crohn's disease (active disease population with clinical response at baseline) Infliximab for maintenance of medically‐induced remission in Crohn's disease (2024) · Cochrane	RR 0.09 [0.01, 1.54]	1 study · 73 participants	Very low

Reviews 172

Electromagnetic‐guided versus endoscopic‐guided postpyloric placement of nasoenteral feeding tubes

Watanabe, J, Kakehi, E, et al. · Cochrane Database of Systematic Reviews · 2022

Gut

Thinnest evidence

Reviews 172

Electromagnetic‐guided versus endoscopic‐guided postpyloric placement of nasoenteral feeding tubes

Probiotics for treatment of chronic constipation in children

Antidepressants for functional abdominal pain disorders in children and adolescents

Prophylactic abdominal drainage for pancreatic surgery

Extended lymph node resection versus standard resection for pancreatic and periampullary adenocarcinoma

Open versus laparoscopic pyloromyotomy for pyloric stenosis

Roux‐en‐Y versus Billroth‐I reconstruction after distal gastrectomy for gastric cancer

Monitoring of gastric residual volume during enteral nutrition

Interventions for treating iron deficiency anaemia in inflammatory bowel disease

Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease

Interventions for the management of abdominal pain in ulcerative colitis

Oral 5‐aminosalicylic acid for induction of remission in ulcerative colitis

Oral 5‐aminosalicylic acid for maintenance of remission in ulcerative colitis

Probiotics for induction of remission in ulcerative colitis

Helicobacter pylori eradication for the prevention of gastric neoplasia

Probiotics for induction of remission in Crohn's disease

Conservative management of oesophageal soft food bolus impaction

Probiotics for maintenance of remission in ulcerative colitis

Nasogastric versus nasojejunal tube feeding for severe acute pancreatitis

Interventions for fatigue in inflammatory bowel disease

Salvage systemic therapy for advanced gastric and oesophago‐gastric junction adenocarcinoma

Colonoscopy‐guided therapy for the prevention of post‐operative recurrence of Crohn’s disease

Oral Janus kinase inhibitors for maintenance of remission in ulcerative colitis

Adalimumab for maintenance of remission in Crohn's disease

Risk of postoperative infectious complications from medical therapies in inflammatory bowel disease