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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.
91 questions in 20 reviews · Colorectal
current versionsNo studies 91 · 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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Preoperative enteral nutrition (standard formula) vs usual care or control Non‐infectious complications · people undergoing gastrointestinal surgery Preoperative nutrition therapy in people undergoing gastrointestinal surgery (2024) · Cochrane | no estimate extracted | NR | No studies |
Early vs delayed laparoscopic appendicectomy Abdominal abscess · paediatric participants with appendiceal abscess Early versus delayed appendicectomy for appendiceal phlegmon or abscess (2024) · Cochrane | no estimate extracted | NR | No studies |
Early vs delayed laparoscopic appendicectomy Faecal fistula · paediatric participants with appendiceal abscess Early versus delayed appendicectomy for appendiceal phlegmon or abscess (2024) · Cochrane | no estimate extracted | NR | No studies |
Early vs delayed laparoscopic appendicectomy Time away from normal activities (days) · paediatric participants with appendiceal abscess Early versus delayed appendicectomy for appendiceal phlegmon or abscess (2024) · Cochrane | no estimate extracted | NR | No studies |
Early vs delayed laparoscopic appendicectomy Overall morbidity · paediatric participants with appendiceal abscess Early versus delayed appendicectomy for appendiceal phlegmon or abscess (2024) · Cochrane | no estimate extracted | NR | No studies |
Early vs delayed laparoscopic appendicectomy Wound infection · paediatric participants with appendiceal abscess Early versus delayed appendicectomy for appendiceal phlegmon or abscess (2024) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Billroth II reconstruction after distal gastrectomy Health‐related quality of life ‐ not reported · people undergoing distal gastrectomy for gastric cancer Uncut Roux‐en‐Y reconstruction after distal gastrectomy for gastric cancer (2024) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Roux‐en‐Y reconstruction after distal gastrectomy Changes in body weight from baseline ‐ not reported · people undergoing distal gastrectomy for gastric cancer Uncut Roux‐en‐Y reconstruction after distal gastrectomy for gastric cancer (2024) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Billroth II reconstruction after distal gastrectomy Incidence of oesophagitis ‐ not reported · people undergoing distal gastrectomy for gastric cancer Uncut Roux‐en‐Y reconstruction after distal gastrectomy for gastric cancer (2024) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Roux‐en‐Y reconstruction after distal gastrectomy Health‐related quality of life ‐ not reported · people undergoing distal gastrectomy for gastric cancer Uncut Roux‐en‐Y reconstruction after distal gastrectomy for gastric cancer (2024) · Cochrane | no estimate extracted | NR | No studies |
Local excision vs radical resection Outcomes · stage I rectal cancer in adults Local versus radical surgery for early rectal cancer with or without neoadjuvant or adjuvant therapy (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Postoperative pancreatic fistula (grade B or C) · people undergoing pancreaticoduodenectomy Fibrin sealants for the prevention of postoperative pancreatic fistula following pancreatic surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Quality of life · people undergoing pancreaticoduodenectomy Fibrin sealants for the prevention of postoperative pancreatic fistula following pancreatic surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Cost‐effectiveness · people undergoing pancreaticoduodenectomy Fibrin sealants for the prevention of postoperative pancreatic fistula following pancreatic surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Cost‐effectiveness · people undergoing distal pancreatectomy Fibrin sealants for the prevention of postoperative pancreatic fistula following pancreatic surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Prehabilitation vs no prehabilitation Mortality · adult patients undergoing surgery for colorectal cancer Prehabilitation versus no prehabilitation to improve functional capacity, reduce postoperative complications… (2023) · Cochrane | no estimate extracted | NR | No studies |
Prehabilitation vs no prehabilitation Safety of the programme (dropout, SAE) · adult patients undergoing surgery for colorectal cancer Prehabilitation versus no prehabilitation to improve functional capacity, reduce postoperative complications… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Secondary ‐ Recurrence during · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Secondary ‐ Long‐term complications during · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Secondary ‐ Long‐term emergency surgery during · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Secondary ‐ All‐cause mortality · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Secondary ‐ Adverse events · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Primary ‐ Short‐term complications (abscess, perforation, obstruction or fistula) within 30 days · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Primary ‐ Short‐term emergency surgery within 30 days · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Secondary ‐ Recurrence during · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Secondary ‐ Long‐term emergency surgery during · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Secondary ‐ All cause mortality · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Secondary ‐ Adverse events · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Primary ‐ Short‐term complications (abscess, perforation, obstruction or fistula) within 30 days · Patients with acute uncomplicated diverticulitis Antibiotics for uncomplicated diverticulitis (2022) · Cochrane | no estimate extracted | NR | No studies |
Helium vs carbon dioxide Quality of life · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery (2022) · Cochrane | no estimate extracted | NR | No studies |
Helium vs carbon dioxide Costs · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery (2022) · Cochrane | no estimate extracted | NR | No studies |
Room air vs carbon dioxide Procedure‐related general complications (surgical morbidity) · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery (2022) · Cochrane | no estimate extracted | NR | No studies |
Room air vs carbon dioxide Quality of life · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery (2022) · Cochrane | no estimate extracted | NR | No studies |
Room air vs carbon dioxide Analgesia requirements · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery (2022) · Cochrane | no estimate extracted | NR | No studies |
Nitrous oxide vs carbon dioxide Quality of life · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery (2022) · Cochrane | no estimate extracted | NR | No studies |
Nitrous oxide vs carbon dioxide Costs · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery (2022) · Cochrane | no estimate extracted | NR | No studies |
Drainage vs no drainage after open appendectomy Hospital cost · people undergoing emergency open appendectomy for complicated appendicitis Abdominal drainage to prevent intra‐peritoneal abscess after appendectomy for complicated appendicitis (2021) · Cochrane | no estimate extracted | NR | No studies |
Drainage vs no drainage after open appendectomy Pain · people undergoing emergency open appendectomy for complicated appendicitis Abdominal drainage to prevent intra‐peritoneal abscess after appendectomy for complicated appendicitis (2021) · Cochrane | no estimate extracted | NR | No studies |
Drainage vs no drainage after open appendectomy Quality of life · people undergoing emergency open appendectomy for complicated appendicitis Abdominal drainage to prevent intra‐peritoneal abscess after appendectomy for complicated appendicitis (2021) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Intussusception · 1 Imaging modalities for the detection of posterior pelvic floor disorders in women with obstructed… (2021) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Anismus · 1 Imaging modalities for the detection of posterior pelvic floor disorders in women with obstructed… (2021) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR PFD · 1 Imaging modalities for the detection of posterior pelvic floor disorders in women with obstructed… (2021) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Applicability (QUADAS‐2) · 1 Imaging modalities for the detection of posterior pelvic floor disorders in women with obstructed… (2021) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Rectocele · 1 Imaging modalities for the detection of posterior pelvic floor disorders in women with obstructed… (2021) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Enterocele · 1 Imaging modalities for the detection of posterior pelvic floor disorders in women with obstructed… (2021) · Cochrane | no estimate extracted | NR | No studies |
Absorbable tacks plus absorbable sutures vs nonabsorbable tacks plus nonabsorbable sutures Early postoperative pain · People with primary ventral or incisional hernia repair Mesh fixation techniques in primary ventral or incisional hernia repair (2021) · Cochrane | no estimate extracted | NR | No studies |
Absorbable tacks plus absorbable sutures vs nonabsorbable tacks plus nonabsorbable sutures Health‐related quality of life · People with primary ventral or incisional hernia repair Mesh fixation techniques in primary ventral or incisional hernia repair (2021) · Cochrane | no estimate extracted | NR | No studies |
Nonabsorbable tacks vs nonabsorbable tacks plus nonabsorbable sutures Health‐related quality of life · People with primary ventral or incisional hernia repair Mesh fixation techniques in primary ventral or incisional hernia repair (2021) · Cochrane | no estimate extracted | NR | No studies |
Nonabsorbable tacks vs nonabsorbable tacks plus nonabsorbable sutures Seroma (3 month) · People with primary ventral or incisional hernia repair Mesh fixation techniques in primary ventral or incisional hernia repair (2021) · Cochrane | no estimate extracted | NR | No studies |
Nonabsorbable tacks plus absorbable sutures vs nonabsorbable tacks only Early postoperative pain · People with primary ventral or incisional hernia repair Mesh fixation techniques in primary ventral or incisional hernia repair (2021) · Cochrane | no estimate extracted | NR | No studies |