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%

Altered fractionation radiotherapy vs Chemoradiotherapy (concurrent, standard fractionation)

Outcome not reported · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

The review found no eligible studies for this question.

1 finding from 1 review

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Tactile sensitivity (method a, ordinal scale) · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) led to lower tactile sensitivity (method a, ordinal scale) compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Thermal sensitivity · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) led to lower thermal sensitivity compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Subjective assessment of sensitivity · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) showed no clear difference in subjective assessment of sensitivity compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Air blast sensitivity · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) led to lower air blast sensitivity compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Tactile sensitivity (method b, continuous probe) · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) led to higher tactile sensitivity (method b, continuous probe) compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review

Planned early birth vs expectant management

Maternal infectious morbidity (chorioamnionitis and/or endometritis) · women with prelabour rupture of membranes at term (37 weeks' gestation or later)

Planned early birth may leads to lower maternal infectious morbidity (chorioamnionitis and/or endometritis) compared with expectant management (low certainty).

1 finding from 1 review