Cochrane · systematic review · CD009285

Tiotropium versus placebo for chronic obstructive pulmonary disease

Karner, C, Chong, J, Poole, P · Cochrane Database of Systematic Reviews · 2014 · Cochrane Library

Airways2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 3 · 42.9%High 4 · 57.1%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Current version only

Tiotropium versus placebo for chronic obstructive pulmonary disease

Population: people with COPD who have smoked for ≥ 10 pack‐years
CD009285.PUB3 (current) · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Quality of life (SGRQ) Scale 0 to 100, where 100 represents worst possible health status and 0 indicates best possible health status
Tiotropium vs placebo
no estimate extracted9 studies · 13034 participantsHigh
Number of patients with a clinically significant improvement (≥ 4 units) in quality of life (SGRQ)
Tiotropium vs placebo
OR 1.52 [1.38, 1.68]9 studies · 11672 participantsHigh
Number of patients with a clinically significant worsening (≥ 4 units) in quality of life (SGRQ)
Tiotropium vs placebo
OR 0.65 [0.59, 0.72]9 studies · 11672 participantsHigh
Number of patients with one or more exacerbations
Tiotropium vs placebo
OR 0.78 [0.7, 0.87]22 studies · 23309 participantsHigh
Number of patients with one or more exacerbations requiring hospitalisation
Tiotropium vs placebo
OR 0.85 [0.72, 1]21 studies · 22852 participantsModerate
Number of patients with one or more hospitalisations for any cause
Tiotropium vs placebo
OR 1 [0.88, 1.13]19 studies · 20963 participantsModerate
Mortality
Tiotropium vs placebo
OR 0.98 [0.86, 1.11]22 studies · 23309 participantsModerate

Tiotropium versus placebo for chronic obstructive pulmonary disease

Population: people with COPD who have smoked for ≥ 10 pack‐years
CD009285.PUB2 · 9 questions
OutcomeEffectEvidenceStatus / GRADE
Quality of life (SGRQ) Scale 0 to 100, where 100 represents worst possible health status and 0 indicates best possible health status
Tiotropium vs placebo
no estimate extracted9 studies · 13034 participantsHigh
Number of patients with a clinically significant improvement (≥ 4 units) in quality of life (SGRQ)
Tiotropium vs placebo
OR 1.52 [1.38, 1.68]9 studies · 11672 participantsHigh
Number of patients with a clinically significant worsening (≥ 4 units) in quality of life (SGRQ)
Tiotropium vs placebo
OR 0.65 [0.59, 0.72]9 studies · 11672 participantsHigh
Number of patients with one or more exacerbations
Tiotropium vs placebo
OR 0.78 [0.7, 0.87]22 studies · 23309 participantsHigh
Number of patients with one or more exacerbations requiring hospitalisation
Tiotropium vs placebo
OR 0.85 [0.72, 1]21 studies · 22852 participantsModerate
Number of patients with one or more hospitalisations for any cause
Tiotropium vs placebo
OR 1 [0.88, 1.13]19 studies · 20963 participantsModerate
Mortality
Tiotropium vs placebo
OR 0.98 [0.86, 1.11]22 studies · 23309 participantsModerate
Mortality when using dry powder inhaler
Tiotropium vs placebo
OR 0.92 [0.8, 1.05]19 studies · 16787 participantsModerate
Mortality when using soft mist inhaler
Tiotropium vs placebo
OR 1.47 [1.04, 2.08]3 studies · 6522 participantsModerate