Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

695 questions · 728 findings · 63 reviews · Headline outcomes only

No studies found 219 · 30.1%GRADE not reported 55 · 7.6%Very low 194 · 26.6%Low 136 · 18.7%Moderate 90 · 12.4%High 34 · 4.7%

Intervention not reported

Duration of reulceration episodes · people with healed venous leg ulcers
1 finding from 1 review

Intervention not reported

Ulceration on the contralateral leg · people with healed venous leg ulcers
1 finding from 1 review

Single‐port laparoscopic hysterectomy vs laparoscopic hysterectomy

Intra‐operative visceral injury (dichotomous) · patients with benign gynaecological disease

It is very uncertain whether single‐port laparoscopic hysterectomy changes intra‐operative visceral injury (dichotomous) compared with laparoscopic hysterectomy (very low certainty).

1 finding from 1 review

Total laparoscopic hysterectomy vs laparoscopic‐assisted vaginal hysterectomy

Intra‐operative visceral injury (dichotomous) · patients with benign gynaecological disease

Total laparoscopic hysterectomy showed no clear difference in intra‐operative visceral injury (dichotomous) compared with laparoscopic‐assisted vaginal hysterectomy (low certainty).

1 finding from 1 review

Intervention not reported

Case control ‐ ulcerative colitis, MMR · children 9 months to 15 years old

The intervention showed no clear difference in case control ‐ ulcerative colitis, MMR (moderate certainty).

1 finding from 1 review

Antibiotics vs placebo or no treatment

Infected episiotomy/laceration (superficial perineal wound infection) № of participants: 3420 (1 RCT) · Women undergoing operative vaginal delivery

Any antibiotics leads to lower infected episiotomy/laceration (superficial perineal wound… compared with placebo or no treatment (high certainty).

1 finding from 1 review

Antibiotics vs placebo or no treatment

Infected episiotomy/laceration (deep perineal wound infection № of participants: 3420 (1 RCT) · Women undergoing operative vaginal delivery

Any antibiotics leads to lower infected episiotomy/laceration (deep perineal wound infection № of… compared with placebo or no treatment (high certainty).

1 finding from 1 review

Antibiotics vs placebo or no treatment

Infected episiotomy/laceration (organ or space infection) № of participants: 3420 (1 RCT) · Women undergoing operative vaginal delivery

Any antibiotics showed no clear difference in infected episiotomy/laceration (organ or space infection) № of… compared with placebo or no treatment (low certainty).

1 finding from 1 review