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%

Image guided surgery vs surgery

Complete resection ‐ iMRI · high‐grade glioma

The review found no eligible studies for this question.

1 finding from 1 review

Image guided surgery for the resection of brain tumours 2014 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Hair removal the day before surgery vs hair removal on the day of surgery

Surgical site infection · surgical patients

Hair removal the day before surgery showed no clear difference in surgical site infection (SSIs) compared with hair removal on the day of surgery (low certainty).

1 finding from 1 review

Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
RR 0.83 [0.54, 1.3]
1 study · 977 participants
Low

Hair removal the day before surgery vs hair removal on the day of surgery

Wound complications · surgical patients

The review found no eligible studies for this question.

1 finding from 1 review

Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Hair removal the day before surgery vs hair removal on the day of surgery

Length of stay · surgical patients

The review found no eligible studies for this question.

1 finding from 1 review

Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Hair removal the day before surgery vs hair removal on the day of surgery

Costs · surgical patients

The review found no eligible studies for this question.

1 finding from 1 review

Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Robot‐assisted surgery vs conventional laparoscopic surgery

Intraoperative and postoperative complications · women undergoing hysterectomy

Robot‐assisted surgery showed no clear difference in intraoperative and postoperative complications compared with conventional laparoscopic surgery (low certainty).

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
RR 0.92 [0.54, 1.59]
6 studies · 585 participants
Low

Robot‐assisted surgery vs conventional laparoscopic surgery

Operating time · gynaecology

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 186 participants
Low

Robot‐assisted surgery vs conventional laparoscopic surgery

Length of hospital stay · gynaecology

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 108 participants
Very low

Robot‐assisted surgery vs conventional laparoscopic surgery

Blood transfusion · gynaecology

The review found no eligible studies for this question.

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Robot‐assisted surgery vs conventional laparoscopic surgery

Intraoperative complications · women undergoing hysterectomy

Robot‐assisted surgery showed no clear difference in intraoperative complications compared with conventional laparoscopic surgery (low certainty).

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
RR 1.05 [0.31, 3.56]
5 studies · 487 participants
Low

Robot‐assisted surgery vs conventional laparoscopic surgery

Postoperative complications · women undergoing hysterectomy

Robot‐assisted surgery showed no clear difference in postoperative complications compared with conventional laparoscopic surgery (low certainty).

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
RR 0.82 [0.42, 1.59]
5 studies · 533 participants
Low

Robot‐assisted surgery vs conventional laparoscopic surgery

Operating time · women undergoing hysterectomy

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 148 participants
Very low

Robot‐assisted surgery vs conventional laparoscopic surgery

Length of hospital stay · women undergoing hysterectomy

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 192 participants
Very low

Robot‐assisted surgery vs conventional laparoscopic surgery

Blood transfusion · women undergoing hysterectomy

Robot‐assisted surgery showed no clear difference in blood transfusions compared with conventional laparoscopic surgery (low certainty).

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
RR 2.49 [0.75, 8.23]
4 studies · 346 participants
Low

Robot‐assisted surgery vs conventional laparoscopic surgery

Intraoperative and postoperative complications · gynaecology

It is very uncertain whether robot‐assisted surgery changes intraoperative and postoperative complications compared with conventional laparoscopic surgery (very low certainty).

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
RR 0.95 [0.21, 4.24]
3 studies · 186 participants
Very low

Robot‐assisted surgery vs conventional laparoscopic surgery

Intraoperative complications · gynaecology

It is very uncertain whether robot‐assisted surgery changes intraoperative complications compared with conventional laparoscopic surgery (very low certainty).

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
RR 0.82 [0.09, 7.59]
2 studies · 108 participants
Very low

Robot‐assisted surgery vs conventional laparoscopic surgery

Postoperative complications · gynaecology

Robot‐assisted surgery may leads to higher postoperative complications compared with conventional laparoscopic surgery (low certainty).

1 finding from 1 review

Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
RR 3.54 [1.31, 9.56]
1 study · 68 participants
Low

Surgery vs preoperative pharmacological therapy and surgery

Adverse events · adults with growth‐hormone secreting pituitary adenomas

It is very uncertain whether surgery alone changes adverse events compared with preoperative pharmacological therapy and surgery (very low certainty).

1 finding from 1 review

Surgical and non‐surgical interventions for primary and salvage treatment of growth hormone‐secreting pituitary… 2024 · Cochrane Headline outcomes only
RR 1.23 [0.7, 2.03]
5 studies · 267 participants
Very low

Surgery vs preoperative pharmacological therapy and surgery

All‐cause mortality · adults with growth‐hormone secreting pituitary adenomas

The review found no eligible studies for this question.

1 finding from 1 review

Surgical and non‐surgical interventions for primary and salvage treatment of growth hormone‐secreting pituitary… 2024 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Surgery vs preoperative pharmacological therapy and surgery

Non‐surgical therapy for recurrent or persistent diseaseRadiation therapy and/or pharmacologic therapy for recurrent or persistent disease · adults with growth‐hormone secreting pituitary adenomas

It is very uncertain whether surgery alone changes non‐surgical therapy for recurrent or persistent diseaseRadiation… compared with preoperative pharmacological therapy and surgery (very low certainty).

1 finding from 1 review

Surgical and non‐surgical interventions for primary and salvage treatment of growth hormone‐secreting pituitary… 2024 · Cochrane Headline outcomes only
RR 1.22 [0.65, 2.28]
2 studies · 100 participants
Very low