Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

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

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%

Duodenum‐preserving pancreatic resection vs pancreaticoduodenectomy

Adverse events (proportion) · people requiring surgery for chronic pancreatitis

It is very uncertain whether duodenum‐preserving pancreatic resection changes adverse events (proportion) compared with pancreaticoduodenectomy (very low certainty).

1 finding from 1 review

Duodenum‐preserving pancreatic resection vs pancreaticoduodenectomy

Adverse events (number of adverse events) · people requiring surgery for chronic pancreatitis

It is very uncertain whether duodenum‐preserving pancreatic resection changes adverse events (number of adverse events) compared with pancreaticoduodenectomy (very low certainty).

1 finding from 1 review

Regional (spinal, epidural, caudal) vs general anaesthesia

Apnoea/bradycardia occurring 12‐24 hours following completion of operation · Preterm infants requiring surgery for inguinal hernia in early infancy

Regional (spinal, epidural, caudal) showed no clear difference in apnoea/bradycardia occurring 12‐24 hours following completion of… compared with general anaesthesia (moderate certainty).

1 finding from 1 review

Regional (spinal, epidural, caudal) vs general anaesthesia

Any oxygen desaturation occurring 12‐24 hours following completion of the operation · Preterm infants requiring surgery for inguinal hernia in early infancy

Regional (spinal, epidural, caudal) showed no clear difference in any oxygen desaturation occurring 12‐24 hours following completion… compared with general anaesthesia (moderate certainty).

1 finding from 1 review

Regional (spinal, epidural, caudal) vs general anaesthesia

Use of post‐operative respiratory support · Preterm infants requiring surgery for inguinal hernia in early infancy

Regional (spinal, epidural, caudal) showed no clear difference in use of post‐operative respiratory support compared with general anaesthesia (low certainty).

1 finding from 1 review

Regional (spinal, epidural, caudal) vs general anaesthesia

Post‐operative apnoea with preoperative sedatives excluded · Preterm infants requiring surgery for inguinal hernia in early infancy

Regional (spinal, epidural, caudal) probably leads to lower post‐operative apnoea with preoperative sedatives excluded compared with general anaesthesia (moderate certainty).

1 finding from 1 review

Regional (spinal, epidural, caudal) vs general anaesthesia

Anaesthetic agent failure · Preterm infants requiring surgery for inguinal hernia in early infancy

Regional (spinal, epidural, caudal) may leads to higher anaesthetic agent failure compared with general anaesthesia (low certainty).

1 finding from 1 review

Regional (spinal, epidural, caudal) vs general anaesthesia

Anaesthetic placement failure · Preterm infants requiring surgery for inguinal hernia in early infancy

Regional (spinal, epidural, caudal) showed no clear difference in anaesthetic placement failure compared with general anaesthesia (low certainty).

1 finding from 1 review

Intervention not reported

Proportion of participants waiting below a recommended time threshold · patients needing elective specialist ambulatory visit or surgery
1 finding from 1 review

Intervention not reported

Distant consultancy · patients needing elective specialist ambulatory visit or surgery

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Generic waiting list · patients needing elective specialist ambulatory visit or surgery

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Number of participants waiting less than recommended time threshold or within a recommended time period · patients needing elective specialist ambulatory visit or surgery
1 finding from 1 review