Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,245 questions · 1,274 findings · 321 reviews

No studies found 247 · 19.4%GRADE not reported 195 · 15.3%Very low 372 · 29.2%Low 282 · 22.1%Moderate 141 · 11.1%High 37 · 2.9%

Hinokitiol gel vs Placebo gel

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

Hinokitiol gel showed no clear difference in VSC: hydrogen sulphide compared with placebo gel; GRADE not reported.

1 finding from 1 review

Cetylpyridinium chloride mouthwash vs Chlorhexidine + zinc mouthwash

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…

Cetylpyridinium chloride mouthwash showed no clear difference in volatile sulphur compounds (VSC) compared with chlorhexidine + zinc mouthwash; GRADE not reported.

1 finding from 1 review

Halita mouthrinse vs Perio-plus mouthrinse

Dentist-reported organoleptic test (OLT) score (scale 0 to 5) · 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 halita mouthrinse changes dentist-reported organoleptic test (OLT) score (scale 0 to 5) compared with perio-plus mouthrinse (very low certainty).

1 finding from 1 review

1000 mg champignon extract vs 50 mg champignon extract

Patient's family member-reported VAS score (scale 0 to 100) · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

1000 mg champignon extract showed no clear difference in patient's family member-reported VAS score (scale 0 to 100) compared with 50 mg champignon extract; GRADE not reported.

1 finding from 1 review

Herbal mouthwash vs Placebo mouthwash

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…

Herbal mouthwash led to lower volatile sulphur compounds (VSC) compared with placebo mouthwash; GRADE not reported.

1 finding from 1 review

Toothbrushing + tongue cleaning with a tooth-and-tongue gel (amine/stannous fluoride + zinc lactate) vs Toothbrushing with reference toothpaste (with or without tongue cleaning)

OLT, VSC and patient satisfaction scores · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…
1 finding from 1 review
  • Interventions for managing halitosis 2019 · Cochrane All outcomes
    Wilhelm 2012 (3-arm cross-over trial) compared toothbrushing with a reference toothpaste, with reference toothpaste plus tongue cleaning, and toothbrushing plus tongue cleaning with a tooth-and-tongue gel (OLT, VSC,…
    1 study
    GRADE not reported

Perioperative alcohol cessation intervention vs treatment

Postoperative complications after perioperative intervention (e.g. wound‐related complications, secondary surgery, cardiopulmonary complications, admission to intensive care) defined by need for treatment · adult surgical patients consuming 3 or more units of alcohol per day

Perioperative alcohol cessation intervention probably leads to lower postoperative complications after perioperative intervention (e.g.… compared with treatment (moderate certainty).

1 finding from 1 review

Perioperative alcohol cessation intervention vs treatment

In‐hospital and 30‐day mortality · adult surgical patients consuming 3 or more units of alcohol per day

Perioperative alcohol cessation intervention showed no clear difference in in‐hospital and 30‐day mortality compared with treatment (low certainty).

1 finding from 1 review

Perioperative alcohol cessation intervention vs treatment

Successful quitters (number of abstainers) at the end of the programme (with or without validation by interview, breath test, or alcohol markers) · adult surgical patients consuming 3 or more units of alcohol per day

Perioperative alcohol cessation intervention probably leads to higher successful quitters (number of abstainers) at the end of the… compared with treatment (moderate certainty).

1 finding from 1 review

Antibiotics vs placebo

Annual Exacerbation Rates · Adults (aged 40 or over) with COPD presenting with 1 or more exacerbations in the previous year. The 2 larger studies (Albert 2011; Sethi…

Antibiotics probably leads to lower rate of exacerbation per patient/year WMD of compared with placebo (moderate certainty).

1 finding from 1 review

Antibiotics vs placebo

All‐cause mortality WMD of · Adults (aged 40 or over) with COPD presenting with 1 or more exacerbations in the previous year. The 2 larger studies (Albert 2011; Sethi…

Antibiotics showed no clear difference in all‐cause mortality WMD of compared with placebo (moderate certainty).

1 finding from 1 review

Antibiotics vs placebo

Serious adverse events WMD of · Adults (aged 40 or over) with COPD presenting with 1 or more exacerbations in the previous year. The 2 larger studies (Albert 2011; Sethi…

Antibiotics showed no clear difference in serious adverse events WMD of compared with placebo (moderate certainty).

1 finding from 1 review