Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,231 questions · 3,354 findings · 394 reviews

No studies found 803 · 23.9%GRADE not reported 267 · 8%Very low 757 · 22.6%Low 859 · 25.6%Moderate 486 · 14.5%High 182 · 5.4%

Skin‐sparing mastectomy vs conventional mastectomy

Overall complications,assessed using the number of participants with at least one local or systemic complication · people with a diagnosis of ductal carcinoma in situ (DCIS) or invasive breast cancer

It is very uncertain whether skin‐sparing mastectomy changes overall complications,assessed using the number of participants with… compared with conventional mastectomy (very low certainty).

1 finding from 1 review

Telerehabilitation vs self‐training

Vision‐related patient‐reported outcome measurement at 6 months (the greater the score, the better) · people with any eye disease including optic nerve disease, age‐related macular degeneration, retinopathy of prematurity, retinitis…
1 finding from 1 review

Telerehabilitation vs self‐training

Clinical measures, such as reading speed or reading acuity at 6 months · people with any eye disease including optic nerve disease, age‐related macular degeneration, retinopathy of prematurity, retinitis…

The review found no eligible studies for this question.

1 finding from 1 review

Telerehabilitation vs self‐training

Technical difficulties · people with any eye disease including optic nerve disease, age‐related macular degeneration, retinopathy of prematurity, retinitis…

It is very uncertain whether telerehabilitation changes technical difficulties with the intervention at 6 months compared with self‐training (very low certainty).

1 finding from 1 review

Telerehabilitation vs self‐training

Device abandonment rate at 6 months · people with any eye disease including optic nerve disease, age‐related macular degeneration, retinopathy of prematurity, retinitis…

It is very uncertain whether telerehabilitation changes device abandonment rate at 6 months compared with self‐training (very low certainty).

1 finding from 1 review

Tranexamic acid vs placebo (saline solution or sterile water)

Significant adverse events (seizures, thromboembolism) within 24 hours of surgery) · adults and children with chronic rhinosinusitis with or without nasal polyps

Tranexamic acid showed no clear difference in significant adverse events (seizures, thromboembolism) within 24… compared with placebo (saline solution or sterile water) (moderate certainty).

1 finding from 1 review

Tranexamic acid vs placebo (saline solution or sterile water)

Overall rate of surgical complications · adults and children with chronic rhinosinusitis with or without nasal polyps

Tranexamic acid showed no clear difference in surgical complications compared with placebo (saline solution or sterile water) (moderate certainty).

1 finding from 1 review

Tranexamic acid vs placebo (saline solution or sterile water)

Postoperative bleeding (place of packing or revision surgery within 14 days of surgery) · adults and children with chronic rhinosinusitis with or without nasal polyps

Tranexamic acid showed no clear difference in postoperative bleeding (place of packing or revision surgery within… compared with placebo (saline solution or sterile water) (low certainty).

1 finding from 1 review

Summary of findings table ‐ Contact immunotherapy (diphencyprone or squaric acid dibutil ester) vs hair growth stimulants (minoxidil)

Short‐term hair regrowth ≥ 75% (between 12 and 26 weeks of · adults with alopecia areata

It is very uncertain whether summary of findings table ‐ Contact immunotherapy (diphencyprone or… changes short‐term hair regrowth ≥ 75% (between 12 and 26 weeks of compared with hair growth stimulants (minoxidil) (very low certainty).

1 finding from 1 review