Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,271 questions · 1,326 findings · 329 reviews

No studies found 247 · 18.6%GRADE not reported 237 · 17.9%Very low 379 · 28.6%Low 285 · 21.5%Moderate 141 · 10.6%High 37 · 2.8%

Salvadora persica (miswak) mouthrinse vs Chlorhexidine mouthwash

Patient self-assessment VAS (scale 0 to 10) · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

It is very uncertain whether miswak (Salvadora persica) mouthwash changes patient self-assessment VAS (scale 0 to 10) compared with chlorhexidine mouthwash (very low certainty).

1 finding from 1 review

0.6% eucalyptus chewing gum vs 0.4% eucalyptus chewing gum

Volatile sulphur compounds (VSC), halimeter · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

0.6% eucalyptus chewing gum showed no clear difference in volatile sulphur compounds (VSC) compared with 0.4% eucalyptus chewing gum; GRADE not reported.

1 finding from 1 review

Toothbrushing + 0.075% cetylpyridinium chloride mouthwash vs Toothbrushing alone

Patient-reported OLT score · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

The review found no eligible studies for this question.

1 finding from 1 review
  • Interventions for managing halitosis 2019 · Cochrane All outcomes
    mean 3 weeks
    Patient-reported OLT score: listed in the Summary of findings table but no data reported. No data were reported for patient-reported OLT score.
    0 studies
    No studies found

Pycnogenol chewing gum vs Placebo chewing gum

VSC: hydrogen sulphide · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

Pycnogenol chewing gum led to lower VSC: hydrogen sulphide compared with placebo chewing gum; GRADE not reported.

1 finding from 1 review

Less intensive vs more intensive follow‐up after primary cancer treatment

Depression · adult cancer survivors from the following cancer sites: breast, colorectal, head‐and‐neck, Hodgkin lymphoma, melanoma, non‐small cell lung…

The review found no eligible studies for this question.

1 finding from 1 review

Less intensive vs more intensive follow‐up after primary cancer treatment

Overall survival · adult cancer survivors from the following cancer sites: breast, colorectal, head‐and‐neck, Hodgkin lymphoma, melanoma, non‐small cell lung…

Less intensive showed no clear difference in overall survival compared with more intensive follow‐up after primary cancer treatment (low certainty).

1 finding from 1 review

Less intensive vs more intensive follow‐up after primary cancer treatment

Time to detection of recurrence · adult cancer survivors from the following cancer sites: breast, colorectal, head‐and‐neck, Hodgkin lymphoma, melanoma, non‐small cell lung…

Less intensive probably leads to lower time to detection of recurrence compared with more intensive follow‐up after primary cancer treatment (moderate certainty).

1 finding from 1 review

Mobilization of community first responders (CFRs) in addition to routine emergency medical services (EMS) care vs routine EMS care

Neurological function at hospital discharge, measured by cerebral performance category (CPC) · adults and children more than 4 weeks old suffering from OHCA

The review found no eligible studies for this question.

1 finding from 1 review

Mobilization of community first responders (CFRs) in addition to routine emergency medical services (EMS) care vs routine EMS care

Neurological function at 30 days, measured by cerebral performance category (CPC) · adults and children more than 4 weeks old suffering from OHCA

The review found no eligible studies for this question.

1 finding from 1 review