Findings

What do systematic reviews say?

4,072 questions · 4,237 findings · 447 reviews · Headline outcomes only

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No studies found 946 · 22.3%GRADE not reported 257 · 6.1%Very low 1,121 · 26.5%Low 1,207 · 28.5%Moderate 568 · 13.4%High 138 · 3.3%

Any previous surgery vs no previous surgery

Use of ART · females with inflammatory bowel disease

It is very uncertain whether any previous surgery changes use of ART compared with no previous surgery (very low certainty).

1 finding from 1 review

The impact of surgical therapies for inflammatory bowel disease on female fertility 2019 · Cochrane Headline outcomes only
RR 25.09 [1.56, 403.76]
Studies not reported
Very low

Any previous surgery vs no previous surgery

Caesarean section · females with inflammatory bowel disease

It is very uncertain whether any previous surgery changes caesarean section compared with no previous surgery (very low certainty).

1 finding from 1 review

The impact of surgical therapies for inflammatory bowel disease on female fertility 2019 · Cochrane Headline outcomes only
RR 2.23 [1, 4.95]
Studies not reported
Very low

Any previous surgery vs no previous surgery

Preterm birth · females with inflammatory bowel disease

It is very uncertain whether any previous surgery changes preterm delivery compared with no previous surgery (very low certainty).

1 finding from 1 review

The impact of surgical therapies for inflammatory bowel disease on female fertility 2019 · Cochrane Headline outcomes only
RR 1.91 [0.67, 5.48]
Studies not reported
Very low

Any previous surgery vs no previous surgery

Low birthweight · females with inflammatory bowel disease

It is very uncertain whether any previous surgery changes low birth weight compared with no previous surgery (very low certainty).

1 finding from 1 review

The impact of surgical therapies for inflammatory bowel disease on female fertility 2019 · Cochrane Headline outcomes only
RR 0.61 [0.08, 4.83]
Studies not reported
Very low

Any previous surgery vs no previous surgery

Small‐for‐gestational age · females with inflammatory bowel disease

It is very uncertain whether any previous surgery changes small for gestational age compared with no previous surgery (very low certainty).

1 finding from 1 review

The impact of surgical therapies for inflammatory bowel disease on female fertility 2019 · Cochrane Headline outcomes only
RR 2.54 [0.8, 8.01]
Studies not reported
Very low

Laparoscopic vs open surgery

Septic abdominal complications (presence or absence) Clinical definition · patients with perforated peptic ulcer disease

Laparoscopic surgery showed no clear difference in septic abdominal complications (presence or absence) Clinical… compared with open surgery (low certainty).

1 finding from 1 review

Laparoscopic repair for perforated peptic ulcer disease 2013 · Cochrane Headline outcomes only
OR 0.66 [0.3, 1.47]
2 studies · 214 participants
Low

Laparoscopic vs open surgery

Pulmonary complications (0 to 30 days) · patients with perforated peptic ulcer disease

Laparoscopic surgery showed no clear difference in pulmonary complications (presence or absence) compared with open surgery (low certainty).

1 finding from 1 review

Laparoscopic repair for perforated peptic ulcer disease 2013 · Cochrane Headline outcomes only
OR 0.52 [0.08, 3.55]
3 studies · 315 participants
Low

Laparoscopic vs open surgery

Surgical site infection · patients with perforated peptic ulcer disease

Laparoscopic surgery showed no clear difference in surgical site infection compared with open surgery (moderate certainty).

1 finding from 1 review

Laparoscopic repair for perforated peptic ulcer disease 2013 · Cochrane Headline outcomes only
OR 0.28 [0.08, 1]
3 studies · 315 participants
Moderate

Laparoscopic vs open surgery

Suture dehiscence · patients with perforated peptic ulcer disease

Laparoscopic surgery showed no clear difference in suture dehiscence compared with open surgery (low certainty).

1 finding from 1 review

Laparoscopic repair for perforated peptic ulcer disease 2013 · Cochrane Headline outcomes only
OR 1.52 [0.29, 7.98]
3 studies · 315 participants
Low

Laparoscopic vs open surgery

Postoperative ileus · patients with perforated peptic ulcer disease

Laparoscopic surgery showed no clear difference in postoperative ileus compared with open surgery (low certainty).

1 finding from 1 review

Laparoscopic repair for perforated peptic ulcer disease 2013 · Cochrane Headline outcomes only
OR 0.54 [0.16, 1.8]
3 studies · 315 participants
Low

Laparoscopic vs open surgery

Intra‐abdominal abscess · patients with perforated peptic ulcer disease

It is very uncertain whether laparoscopic surgery changes intra‐abdominal abscess compared with open surgery (very low certainty).

1 finding from 1 review

Laparoscopic repair for perforated peptic ulcer disease 2013 · Cochrane Headline outcomes only
OR 1.15 [0.33, 4.03]
3 studies · 315 participants
Very low

Laparoscopic vs open surgery

Operative time · patients with perforated peptic ulcer disease

1 finding from 1 review

Laparoscopic repair for perforated peptic ulcer disease 2013 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 214 participants
Very low

Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery

The proportion of pressure ulcers healed · people with venous leg ulcers

It is very uncertain whether subfascial endoscopic perforator vein surgery (SEPS) + saphenous… changes proportion of ulcers healed at 12 months compared with saphenous surgery (very low certainty).

1 finding from 1 review

Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers 2019 · Cochrane Headline outcomes only
RR 0.96 [0.64, 1.43]
1 study · 22 participants
Very low

Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery

Time to complete healing · people with venous leg ulcers

The review found no eligible studies for this question.

1 finding from 1 review

Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery

Recurrence of ulcers · people with venous leg ulcers

It is very uncertain whether subfascial endoscopic perforator vein surgery (SEPS) + saphenous… changes ulcer recurrence at 12 months compared with saphenous surgery (very low certainty).

1 finding from 1 review

Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers 2019 · Cochrane Headline outcomes only
RR 1.03 [0.15, 6.91]
1 study · 75 participants
Very low

Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery

Quality of life · people with venous leg ulcers

The review found no eligible studies for this question.

1 finding from 1 review

Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery

Adverse events · people with venous leg ulcers

It is very uncertain whether subfascial endoscopic perforator vein surgery (SEPS) + saphenous… changes adverse events compared with saphenous surgery (very low certainty).

1 finding from 1 review

Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers 2019 · Cochrane Headline outcomes only
RR 2.05 [0.86, 4.9]
1 study · 75 participants
Very low

Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery

Pain · people with venous leg ulcers

The review found no eligible studies for this question.

1 finding from 1 review

Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Early enteral nutrition within 24 hours of lower gastrointestinal surgery vs later commencement

Length of hospital stay · lower gastrointestinal surgery

1 finding from 1 review

Early enteral nutrition within 24 hours of lower gastrointestinal surgery versus later commencement for length of… 2019 · Cochrane Headline outcomes only
no estimate extracted
16 studies · 1346 participants
Low

Early enteral nutrition within 24 hours of lower gastrointestinal surgery vs later commencement

Quality of life · lower gastrointestinal surgery

1 finding from 1 review

Early enteral nutrition within 24 hours of lower gastrointestinal surgery versus later commencement for length of… 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 28 participants
Low