Improved contrast sensitivity · participants with acute CME (< 4 months) following cataract surgery
It is very uncertain whether NSAID changes improved contrast sensitivity  compared with placebo or active control (very low certainty).
1 finding from 1 review
QoL · participants with acute CME (< 4 months) following cataract surgery
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Visual improvement at end of treatment, as defined by two or more Snellen lines · participants with chronic CME (≥ 4 months) following cataract surgery
It is very uncertain whether NSAID changes visual improvement at end of treatment, as defined by two or more… compared with placebo (very low certainty).
1 finding from 1 review
Persistence of visual improvement one month after discontinuation of treatment · participants with chronic CME (≥ 4 months) following cataract surgery
It is very uncertain whether NSAID changes persistence of visual improvement one month after discontinuation of… compared with placebo (very low certainty).
1 finding from 1 review
Improvement in leakage on FFA Â · participants with chronic CME (≥ 4 months) following cataract surgery
It is very uncertain whether NSAID changes improvement in leakage on FFA Â compared with placebo (very low certainty).
1 finding from 1 review
Cardiopulmonary complications · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
It is very uncertain whether nitrous oxide changes cardiopulmonary complications compared with carbon dioxide (very low certainty).
1 finding from 1 review
Procedure‐related general complications · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
1 finding from 1 review
Pneumoperitoneum‐related serious adverse events · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
It is very uncertain whether helium changes pneumoperitoneum‐related serious adverse events compared with carbon dioxide (very low certainty).
1 finding from 1 review
All‐cause mortality · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
1 finding from 1 review
Quality of life · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
Helium showed no clear difference in pain scores (first postoperative day) Visual analogue scale, lower… compared with carbon dioxide (low certainty).
1 finding from 1 review
Analgesia requirements · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
It is very uncertain whether helium changes analgesia requirements (morphine mg) compared with carbon dioxide (very low certainty).
1 finding from 1 review
Costs · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Cardiopulmonary complications · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
1 finding from 1 review
Procedure‐related general complications · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Pneumoperitoneum‐related serious adverse events · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
1 finding from 1 review
Procedure‐related general complications · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
It is very uncertain whether nitrous oxide changes procedure‐related general complications (surgical morbidity) compared with carbon dioxide (very low certainty).
1 finding from 1 review
All‐cause mortality · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
1 finding from 1 review
Quality of life · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia
It is very uncertain whether room air changes pain scores (first postoperative day) Visual analogue scale, lower… compared with carbon dioxide (very low certainty).
1 finding from 1 review