Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,241 questions · 3,336 findings · 1,340 reviews

No studies found 1,581 · 47.4%GRADE not reported 352 · 10.6%Very low 512 · 15.3%Low 509 · 15.3%Moderate 316 · 9.5%High 66 · 2%

Tiotropium vs placebo

Quality of life: number of participants with clinically significant improvement (≥ 4 units) in SGRQ total score · people with COPD who have smoked for ≥ 10 pack‐years

Tiotropium leads to higher number of patients with a clinically significant improvement (≥ 4… compared with placebo (high certainty).

1 finding from 1 review

Horticultural therapy plus standard care vs usual care

Well‐being and quality of life Personal Wellbeing Index (PWI‐C) . Scale from: 0 to 77 (low = poor) · patients with schizophrenia

It is very uncertain whether horticultural therapy plus standard care changes well‐being and quality of life Personal Wellbeing Index (PWI‐C) .… compared with standard care alone (very low certainty).

1 finding from 1 review

Intervention not reported

Quality‐of‐life measures at 1 year (National Eye Institute‐Visual Function Questionnaire [NEI‐VFQ]) · people with age‐related macular degeneration

The intervention showed no clear difference in quality‐of‐life measures at 1 year (National Eye Institute‐Visual… (high certainty).

1 finding from 1 review