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Evidence found and GRADE certainty

154 questions · 157 findings · 45 reviews

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No studies found 40 · 25.5%GRADE not reported 31 · 19.7%Very low 24 · 15.3%Low 38 · 24.2%Moderate 23 · 14.6%High 1 · 0.6%

Powered toothbrushing (as part of comprehensive oral care) vs Manual toothbrushing

All‐cause mortality · Critically ill patients receiving mechanical ventilation in ICU

Powered toothbrushing (as part of comprehensive oral care) showed no clear difference in mortality compared with manual toothbrushing (standard oral care); GRADE not reported.

1 finding from 1 review

Visual screening (oral visual inspection) by trained health workers vs No screening

Oral cancer mortality (disease-specific) · Apparently healthy adults aged 35 years or older (general population), living in 13 clusters in rural areas of Trivandrum city, Kerala,…

Visual screening (oral visual inspection) by trained health workers showed no clear difference in oral cancer mortality (disease-specific) compared with no screening (low certainty).

2 findings from 1 review

Summary of findings table ‐ Combined mechanical and oral antibiotic bowel preparation vs oral antibiotics

All‐cause mortality · Patients undergoing elective colorectal surgery

Summary of findings table ‐ Combined mechanical and oral antibiotic… showed no clear difference in mortality compared with oral antibiotics alone (low certainty).

1 finding from 1 review

Professional oral care vs Usual oral care

Mortality (all‐cause) · Residents of nursing homes and other long-term care facilities
1 finding from 1 review
  • Oral care measures for preventing nursing home‐acquired pneumonia 2022 · Cochrane All outcomes
    12-30 months
    All-cause mortality, follow-up 12-30 months, 3764 (3 studies), Very low. Not pooled. Adachi RR 0.80 (0.40 to 1.58; 88); Juthani-Mehta HR 1.16 (0.88 to 1.53; 834); Zimmerman adjusted IRR 0.83 (0.61 to 1.12; 1606).…
    3 studies · 3764 participants
    Very low

Oral direct thrombin inhibitors (DTIs) vs conventional anticoagulation

All‐cause mortality (7 months) · participants with diagnosed DVT

Oral DTIs showed no clear difference in all‐cause mortality (7 months) compared with conventional anticoagulation (moderate certainty).

1 finding from 1 review

Direct oral anticoagulant (DOAC) prophylaxis vs no prophylaxis

All‐cause mortality · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Direct oral anticoagulant (DOAC) prophylaxis showed no clear difference in mortality compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Chlorhexidine (mouthrinse or gel), as part of oral hygiene care vs placebo or usual care

All‐cause mortality · Critically ill patients (adults and children) receiving mechanical ventilation in ICU

Chlorhexidine (mouthrinse or gel), as part of oral hygiene care showed no clear difference in mortality compared with placebo or usual care (moderate certainty).

1 finding from 1 review

Toothbrushing (with or without antiseptics), as part of oral hygiene care vs No toothbrushing (with or without antiseptics)

All‐cause mortality · Critically ill adults receiving mechanical ventilation in ICU

Toothbrushing (with or without antiseptics), as part of oral hygiene… showed no clear difference in mortality compared with no toothbrushing (with or without antiseptics) (low certainty).

1 finding from 1 review

Summary of findings table ‐ Combined mechanical and oral antibiotic bowel preparation vs no bowel preparation

All‐cause mortality · Patients undergoing elective colorectal surgery

Summary of findings table ‐ Combined mechanical and oral antibiotic… showed no clear difference in mortality compared with no bowel preparation (low certainty).

1 finding from 1 review

Summary of findings table ‐ Combined mechanical and oral antibiotic bowel preparation vs mechanical bowel preparation alone

All‐cause mortality · Patients undergoing elective colorectal surgery

Summary of findings table ‐ Combined mechanical and oral antibiotic… showed no clear difference in mortality compared with mechanical bowel preparation alone (moderate certainty).

1 finding from 1 review

Oral factor Xa inhibitors vs conventional anticoagulation

All‐cause mortality · patients with a pulmonary embolism, confirmed by standard imaging techniques

Oral factor Xa inhibitors showed no clear difference in all‐cause mortality compared with conventional anticoagulation (moderate certainty).

1 finding from 1 review