Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,587 questions · 5,761 findings · 495 reviews

No studies found 1,011 · 17.5%GRADE not reported 1,797 · 31.2%Very low 1,100 · 19.1%Low 1,052 · 18.3%Moderate 649 · 11.3%High 152 · 2.6%

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ESA with or without iron vs no treatment

On‐study mortality3 (Subnet based on 55 studies including 15,074 participants) · patients at any age with solid cancer or haematological malignancy

ESA with or without iron showed no clear difference in on‐study mortality3 (Subnet based on 55 studies including 15,074… compared with no treatment (low certainty).

1 finding from 1 review

ESA with or without iron vs no treatment

Haemoglobin response (Subnet based on 31 studies including 6985 participants) · patients at any age with solid cancer or haematological malignancy

ESA with or without iron probably leads to higher haemoglobin response (Subnet based on 31 studies including 6985… compared with no treatment (moderate certainty).

1 finding from 1 review

ESA with or without iron vs no treatment

Red blood cell transfusions (Subnet based on 69 studies including 18,684 participants) · patients at any age with solid cancer or haematological malignancy

ESA with or without iron probably leads to lower red blood cell transfusions (Subnet based on 69 studies including… compared with no treatment (moderate certainty).

1 finding from 1 review

ESA with or without iron vs no treatment

Overall mortality4 (Subnet based on 71 studies including 21,576 participants) · patients at any age with solid cancer or haematological malignancy

ESA with or without iron showed no clear difference in overall mortality4 (Subnet based on 71 studies including 21,576… compared with no treatment (low certainty).

1 finding from 1 review

ESA with or without iron vs no treatment

Thromboembolic events · patients at any age with solid cancer or haematological malignancy

ESA with or without iron showed no clear difference in thromboembolic events5 (Subnet based on 50 studies including 15,408… compared with no treatment (moderate certainty).

1 finding from 1 review

Living with HIV and undergoing antiretroviral therapy (ART/HAART) vs Healthy HIV-negative controls

Angular cheilitis (WHO clinical stage 2) · Children or adolescents

No significant difference in angular cheilitis prevalence between CLWH and healthy controls (pooled OR 1.95, 95% CI 0.16 to 23.65).

1 finding from 1 review

Referral to a specific dental treatment facility vs Generic advice letter to see a dentist

Number of caries in primary teeth (dt index) · School children, primary school in Saudi Arabia

It is very uncertain whether referral to a specific dental treatment facility changes number of caries in primary teeth (dt index) compared with generic advice letter to see a dentist (very low certainty).

1 finding from 1 review

Antiretroviral therapy (any, including cART) vs No antiretroviral medication (treatment-naive)

Mucosal hyperpigmentation prevalence · Children and adolescents (<18 years) living with HIV (CLWH)

No significant difference in mucosal hyperpigmentation between CLWH with and without ART (very low certainty).

1 finding from 1 review

Traditional screening (referral card given if the inspecting dentist judges the child needs to see a dentist) vs No screening

Dental caries prevalence · School children (aged 4 to 15 years), primary and secondary schools in the UK and India
1 finding from 1 review
  • Milsom 2006 measured prevalence of dental caries as mean number of teeth with active caries in primary teeth (dt) and permanent teeth (DT); post-intervention changes from baseline were not significant, and the authors…
    1 study · 16684 participants
    GRADE not reported

Referral to a specific dental treatment facility vs Generic advice letter to see a dentist

Number of caries in permanent teeth (DT index) · School children, primary school in Saudi Arabia

It is very uncertain whether referral to a specific dental treatment facility changes number of caries in permanent teeth (DT index) compared with generic advice letter to see a dentist (very low certainty).

1 finding from 1 review

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Gingivitis · Children and adolescents (<18 years) living with HIV (CLWH)

No significant difference in gingivitis between ART regimens (very low certainty).

1 finding from 1 review

Antiretroviral therapy (any, including cART) vs No antiretroviral medication (treatment-naive)

Chronic herpes simplex infection prevalence · Children and adolescents (<18 years) living with HIV (CLWH)

No significant difference in chronic herpes simplex infection between CLWH with and without ART (very low certainty).

1 finding from 1 review

Living with HIV and undergoing antiretroviral therapy (ART/HAART) vs Healthy HIV-negative controls

Linear gingival erythema (WHO clinical stage 2) · Children or adolescents

No difference in linear gingival erythema between groups (pooled OR 1.00, 95% CI 0.06 to 16.19); the lesion was essentially absent in both groups.

1 finding from 1 review

Traditional screening (referral card given if the inspecting dentist judges the child needs to see a dentist) vs No screening

Cost‐effectiveness · School children (aged 4 to 15 years), primary and secondary schools in the UK and India

The review found no eligible studies for this question.

1 finding from 1 review

Referral letter based on the common-sense model (CSM) of self-regulation plus dental information guide (DIG) vs Standard referral letter

Proportion of children with treated/untreated caries (receipt of dental care) · School children, primary schools in the USA

It is very uncertain whether referral letter based on the common-sense model (CSM) of… changes proportion of children with treated/untreated caries (receipt of… compared with standard referral letter (very low certainty).

1 finding from 1 review

Antiretroviral therapy (any, including cART) vs No antiretroviral medication (treatment-naive)

Caries experience · Children and adolescents (<18 years) living with HIV (CLWH)

ART was not associated with a significant difference in dental caries experience among CLWH (very low certainty).

1 finding from 1 review