Findings

What do systematic reviews say?

1,679 questions · 1,720 findings · 335 reviews · Headline outcomes only

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No studies found 192 · 11.2%GRADE not reported 75 · 4.4%Very low 526 · 30.6%Low 504 · 29.3%Moderate 305 · 17.7%High 118 · 6.9%

Bispectral index vs clinical signs

Time to eye opening · adults undergoing surgery with general anaesthesia

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
no estimate extracted
22 studies · 1494 participants
Low

Bispectral index vs clinical signs

Time to orientation · adults undergoing surgery with general anaesthesia

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 273 participants
Low

Bispectral index vs clinical signs

Time to discharge from the PACU (in minutes) · adults undergoing surgery with general anaesthesia

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
no estimate extracted
13 studies · 930 participants
Low

Bispectral index vs ETAG

Occurrence of intraoperative awareness Time points of measure after surgery: 2 to 6 hours;12 hours; 1 day; 2 days; 3 days; 14 days; 30 days; or time point was not reported Measurement tools: simple questioning; interviews; or structured questionna... · adults undergoing surgery with general anaesthesia

BIS showed no clear difference in occurrence of intraoperative awareness Time points of measure after… compared with ETAG (low certainty).

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
Peto OR 1.13 [0.56, 2.26]
5 studies · 26572 participants
Low

Bispectral index vs ETAG

Time to eye opening · adults undergoing surgery with general anaesthesia

The review found no eligible studies for this question.

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Bispectral index vs ETAG

Time to orientation · adults undergoing surgery with general anaesthesia

The review found no eligible studies for this question.

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Bispectral index vs ETAG

Time to discharge from the PACU (in minutes) · adults undergoing surgery with general anaesthesia

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 15452 participants
Low

Intervention not reported

Subgroup 1: Length of hospital stay (days) distal to ligament of Treitz · 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
13 studies · 1156 participants
Low

Intervention not reported

Subgroup 2: Length of hospital stay (days) distal and proximal to ligament of Treitz · 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
3 studies · 190 participants
Low

Intervention not reported

Subgroup 3: Length of hospital stay (days) oral feeding only · 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
11 studies · 1075 participants
Low

Intervention not reported

Subgroup 4: Length of hospital stay (days) tube feeding with/without oral feeding · 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
5 studies · 271 participants
Very low

Intervention not reported

Sensitivity analysis 2: Removing studies with imputed results · 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
5 studies · 396 participants
Very low

Intervention not reported

Senstivity analysis 3: Worst case scenario imputation · 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
3 studies · 235 participants
Low

Intervention not reported

Senstivity analysis 4: Best case scenario imputation · 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
3 studies · 235 participants
Low

Intervention not reported

Overall survival · women with stage Ia2 to IIa cervical cancer

1 finding from 1 review

Nerve‐sparing radical hysterectomy compared to standard radical hysterectomy for women with early stage cervical… 2019 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Intervention not reported

Rate of ISC one month after operation · women with stage Ia2 to IIa cervical cancer

1 finding from 1 review

Nerve‐sparing radical hysterectomy compared to standard radical hysterectomy for women with early stage cervical… 2019 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Intervention not reported

Time to PVR ≤ 50 mL (days) · women with stage Ia2 to IIa cervical cancer

The intervention showed no clear difference in time to PVR ≤ 50 mL (days) (low certainty).

1 finding from 1 review

Nerve‐sparing radical hysterectomy compared to standard radical hysterectomy for women with early stage cervical… 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 111 participants
Low

Intervention not reported

PVR one month after operation (mL) · women with stage Ia2 to IIa cervical cancer

The intervention showed no clear difference in PVR one month after operation (mL) (low certainty).

1 finding from 1 review

Nerve‐sparing radical hysterectomy compared to standard radical hysterectomy for women with early stage cervical… 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 86 participants
Low

Intervention not reported

Perioperative complications (excluding bladder dysfunction) · women with stage Ia2 to IIa cervical cancer

The intervention showed no clear difference in perioperative complications (excluding bladder dysfunction) (low certainty).

1 finding from 1 review

Nerve‐sparing radical hysterectomy compared to standard radical hysterectomy for women with early stage cervical… 2019 · Cochrane Headline outcomes only
RR 0.55 [0.24, 1.26]
3 studies · 180 participants
Low

Intervention not reported

Disease‐free survival (median · women with stage Ia2 to IIa cervical cancer

It is very uncertain whether the intervention changes disease‐free survival (median (very low certainty).

1 finding from 1 review

Nerve‐sparing radical hysterectomy compared to standard radical hysterectomy for women with early stage cervical… 2019 · Cochrane Headline outcomes only
HR 0.63 [0, 106.95]
1 study · 86 participants
Very low