Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,776 questions · 7,311 findings · 959 reviews · Headline outcomes only

No studies found 1,498 · 20.5%GRADE not reported 303 · 4.1%Very low 1,839 · 25.2%Low 1,991 · 27.2%Moderate 1,277 · 17.5%High 403 · 5.5%

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Vitamin D (higher dose) + micronutrient(s) vs vitamin D (lower dose) + micronutrient(s)

Adverse effect: hypercalciuria As defined by trialists Time frame: 3 months · children under 5 years of age

Vitamin D (higher dose) + micronutrient(s) showed no clear difference in adverse effect: hypercalciuria As defined by trialists Time frame: 3… compared with vitamin D (lower dose) + micronutrient(s) (low certainty).

1 finding from 1 review

Vitamin D (higher dose) + micronutrient(s) vs vitamin D (lower dose) + micronutrient(s)

Hypercalcaemia · children under 5 years of age

Vitamin D (higher dose) + micronutrient(s) showed no clear difference in adverse effect: hypercalcaemia As defined by trialists Time frame:… compared with vitamin D (lower dose) + micronutrient(s) (moderate certainty).

1 finding from 1 review

Intervention not reported

Health‐related quality of life · CSOM, recurrence of CSOM or suppuration following mastoidectomy or tympanoplasty

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Ear pain (otalgia) or discomfort or local irritation · CSOM, recurrence of CSOM or suppuration following mastoidectomy or tympanoplasty

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Hearing · CSOM, recurrence of CSOM or suppuration following mastoidectomy or tympanoplasty

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Serious complications · CSOM, recurrence of CSOM or suppuration following mastoidectomy or tympanoplasty

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Suspected ototoxicity · CSOM, recurrence of CSOM or suppuration following mastoidectomy or tympanoplasty
1 finding from 1 review

Intervention not reported

Resolution of ear discharge‐ measured at 1 to 2 weeks · CSOM, recurrence of CSOM or suppuration following mastoidectomy or tympanoplasty

The intervention may leads to higher resolution of ear discharge‐ measured at 1 to 2 weeks (low certainty).

1 finding from 1 review

Intervention not reported

Resolution of ear discharge ‐ measured after 4 weeks · CSOM, recurrence of CSOM or suppuration following mastoidectomy or tympanoplasty

The review found no eligible studies for this question.

1 finding from 1 review