Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

37 questions · 37 findings · 5 reviews

No studies found 0 · 0%GRADE not reported 1 · 2.7%Very low 1 · 2.7%Low 9 · 24.3%Moderate 17 · 45.9%High 9 · 24.3%

Tiotropium vs placebo

Number of patients with a clinically significant worsening (≥ 4 units) in quality of life (SGRQ) · people with COPD who have smoked for ≥ 10 pack‐years

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

1 finding from 1 review

Tiotropium vs placebo

Exacerbations (number of people experiencing ≥ 1 exacerbations) · people with COPD who have smoked for ≥ 10 pack‐years

Tiotropium leads to lower number of patients with one or more exacerbations compared with placebo (high certainty).

1 finding from 1 review

Tiotropium vs placebo

Hospital admissions due to exacerbations: number of participants · people with COPD who have smoked for ≥ 10 pack‐years

Tiotropium showed no clear difference in number of patients with one or more exacerbations requiring… compared with placebo (moderate certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs long‐acting beta2‐agonist alone

Hospital admission (exacerbation) · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium showed no clear difference in hospital admission (exacerbation) compared with long‐acting beta2‐agonist alone (low certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs long‐acting beta2‐agonist alone

Mortality (all cause) · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium showed no clear difference in mortality (all cause) compared with long‐acting beta2‐agonist alone (low certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs tiotropium

Quality of life SGRQ responder analysis at 6 months · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium probably leads to higher quality of life SGRQ responder analysis at 6 months compared with tiotropium alone (moderate certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs tiotropium

Hospital admissions · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium showed no clear difference in hospital admission (all cause) compared with tiotropium alone (moderate certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs tiotropium

Hospital admission (exacerbation) · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium showed no clear difference in hospital admission (exacerbation) compared with tiotropium alone (low certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs tiotropium

Mortality (all cause) · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium showed no clear difference in mortality (all cause) compared with tiotropium alone (low certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs long‐acting beta2‐agonist alone

Quality of life SGRQ responder analysis at 6 months · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium probably leads to higher quality of life SGRQ responder analysis at 6 months compared with long‐acting beta2‐agonist alone (moderate certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs long‐acting beta2‐agonist alone

Hospital admissions · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium showed no clear difference in hospital admission (all cause) compared with long‐acting beta2‐agonist alone (moderate certainty).

1 finding from 1 review