Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,447 questions · 2,590 findings · 266 reviews

No studies found 699 · 27%GRADE not reported 289 · 11.2%Very low 614 · 23.7%Low 605 · 23.4%Moderate 322 · 12.4%High 61 · 2.4%

Ear drops (any active treatment) vs no treatment

Proportion of patients (or ears) with complete clearance of ear wax · adults and children with ear wax requiring removal

Ear drops (any active treatment) may leads to higher proportion of patients (or ears) with complete clearance of ear wax compared with no treatment (low certainty).

1 finding from 1 review

Ear drops (any active treatment) vs ear drops (water or saline)

Proportion of patients (or ears) with complete clearance of ear wax · adults and children with ear wax requiring removal

Ear drops (any active treatment) may leads to higher proportion of patients (or ears) with complete clearance of ear wax compared with ear drops (water or saline) (low certainty).

1 finding from 1 review

Active cerebral oxygenation monitoring vs blinded cerebral oxygenation monitoring

Postoperative complications ‐ Stroke · children and adults undergoing surgery

Active cerebral oxygenation monitoring showed no clear difference in postoperative stroke ( compared with blinded cerebral oxygenation monitoring (low certainty).

1 finding from 1 review

Active cerebral oxygenation monitoring vs blinded cerebral oxygenation monitoring

POD: postoperative delirium ( · children and adults undergoing surgery

Active cerebral oxygenation monitoring showed no clear difference in POD: postoperative delirium ( compared with blinded cerebral oxygenation monitoring (low certainty).

1 finding from 1 review

Active cerebral oxygenation monitoring vs blinded cerebral oxygenation monitoring

POCD defined by original studies ‐ mild ( · children and adults undergoing surgery

Active cerebral oxygenation monitoring may leads to lower POCD defined by original studies ‐ mild ( compared with blinded cerebral oxygenation monitoring (low certainty).

1 finding from 1 review

Active cerebral oxygenation monitoring vs blinded cerebral oxygenation monitoring

POCD: decline in cognitive function ( · children and adults undergoing surgery

Active cerebral oxygenation monitoring showed no clear difference in POCD: decline in cognitive function ( compared with blinded cerebral oxygenation monitoring (moderate certainty).

1 finding from 1 review