Findings

What do systematic reviews say?

3 questions · 3 findings · 2 reviews · Colorectal

Sort:Best matchNewest Highest certainty Download CSV

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 33.3%Low 1 · 33.3%Moderate 1 · 33.3%High 0 · 0%

Preoperative radiotherapy vs surgery

Overall mortality ( · People with localised rectal carcinoma

Preoperative radiotherapy probably leads to lower overall mortality ( compared with surgery alone (moderate certainty).

1 finding from 1 review

Preoperative radiotherapy and curative surgery for the management of localised rectal carcinoma 2018 · Cochrane Headline outcomes only
Peto OR 0.9 [0.83, 0.98]
4 studies · 4663 participants
Moderate

Preoperative radiotherapy vs surgery

Overall mortality ‐ only total mesorectal excision ( · People with localised rectal carcinoma

Preoperative radiotherapy showed no clear difference in overall mortality ‐ only total mesorectal excision ( compared with surgery alone (low certainty).

1 finding from 1 review

Preoperative radiotherapy and curative surgery for the management of localised rectal carcinoma 2018 · Cochrane Headline outcomes only
Peto OR 0.97 [0.87, 1.08]
2 studies · 3211 participants
Low

Laparoscopic vs open surgery

Late overall mortality (after the first 30 postoperative days) · patients with sigmoid diverticulitis

It is very uncertain whether laparoscopic changes late overall mortality (after the first 30 postoperative days) compared with open surgery (very low certainty).

1 finding from 1 review

Laparoscopic versus open resection for sigmoid diverticulitis 2017 · Cochrane Headline outcomes only
RR 2.04 [0.19, 21.77]
1 study · 93 participants
Very low