Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,024 questions · 3,338 findings · 330 reviews

No studies found 735 · 22%GRADE not reported 282 · 8.4%Very low 962 · 28.8%Low 870 · 26.1%Moderate 384 · 11.5%High 105 · 3.1%

Assistive technology for vision improvement interventions vs usual care or attention control

Health‐related quality of life ‐ all trials Higher scores indicate improved health‐related quality of life · Older people living in the community

Assistive technology for vision improvement interventions showed no clear difference in health‐related quality of life 1 trial of single‐lens glasses… compared with usual care or attention control (low certainty).

1 finding from 1 review

Assistive technology for vision improvement interventions vs usual care or attention control

Adverse events Falls while switching glasses · Older people living in the community

Assistive technology for vision improvement interventions showed no clear difference in adverse events Falls while switching glasses compared with usual care or attention control (low certainty).

1 finding from 1 review

Assistive technology for vision improvement interventions vs usual care or attention control

Falls · Older people living in the community

Assistive technology for vision improvement interventions showed no clear difference in rate of falls (falls per person‐years) compared with usual care or attention control (low certainty).

1 finding from 1 review

Assistive technology for vision improvement interventions vs usual care or attention control

Number of people who experienced one or more falls · Older people living in the community

Assistive technology for vision improvement interventions showed no clear difference in number of people who experienced 1 or more falls compared with usual care or attention control (low certainty).

1 finding from 1 review

Interventions (vitamin B1, mefenamic acid, tranexamic acid) vs placebo or active comparators (desmopressin, sodium diclofenac, flavonoids)

Side effects: gastrointestinal disturbances (diarrhoea, lower abdominal pain), headache and sweating

It is very uncertain whether interventions (vitamin B1, mefenamic acid, tranexamic acid) changes side effects: gastrointestinal disturbances (diarrhoea, lower… compared with placebo or active comparators (desmopressin, sodium diclofenac,… (very low certainty).

1 finding from 1 review

Interventions (vitamin B1, mefenamic acid, tranexamic acid) vs placebo or active comparators (desmopressin, sodium diclofenac, flavonoids)

Menstrual blood loss PBAC score
2 findings from 1 review

Interventions (vitamin B1, mefenamic acid, tranexamic acid) vs placebo or active comparators (desmopressin, sodium diclofenac, flavonoids)

Menstrual blood loss Number of pads (diary record)
2 findings from 1 review

Interventions (vitamin B1, mefenamic acid, tranexamic acid) vs placebo or active comparators (desmopressin, sodium diclofenac, flavonoids)

Duration of bleeding Number of bleeding days
2 findings from 1 review

Interventions (vitamin B1, mefenamic acid, tranexamic acid) vs placebo or active comparators (desmopressin, sodium diclofenac, flavonoids)

Adverse effects: headache

Interventions (vitamin B1, mefenamic acid, tranexamic acid) showed no clear difference in side effects: headache compared with placebo or active comparators (desmopressin, sodium diclofenac,… (low certainty).

1 finding from 1 review

Interventions (vitamin B1, mefenamic acid, tranexamic acid) vs placebo or active comparators (desmopressin, sodium diclofenac, flavonoids)

Vomiting

Interventions (vitamin B1, mefenamic acid, tranexamic acid) showed no clear difference in side effects: vomiting compared with placebo or active comparators (desmopressin, sodium diclofenac,… (low certainty).

1 finding from 1 review