Keyphrases
Meta-analysis
100%
All-cause Mortality
100%
Systematic Literature Review
100%
Chronic Bronchitis
100%
Non-obstructive
100%
Literature Review Analysis
100%
Hazard Ratio
41%
Increased Mortality
25%
Publication Bias
16%
Funnel Plot
16%
Prospero
16%
Inclusion Criteria
8%
Non-associated
8%
Current Smokers
8%
Former Smokers
8%
Adjusted Hazard Ratio
8%
Inverse-variance Weights
8%
Smoking Status
8%
PubMed
8%
Stratified Analysis
8%
Embase
8%
Exclusion Criteria
8%
Early Therapy
8%
High-risk Population
8%
Never-smokers
8%
Respiratory Symptoms
8%
Mortality Hazard
8%
Random Effects Model
8%
Spirometry
8%
Visual Inspection
8%
Quality Assessment
8%
Trial Registries
8%
Ever Smokers
8%
Assessment Scale
8%
Ottawa
8%
Newcastle
8%
Symmetric Distribution
8%
Chronic Smoking
8%
Cochran's Q
8%
Mathematics
Hazard Ratio
100%
Meta-Analysis
100%
Funnel Plot
33%
Publication Bias
33%
Random Effects Model
16%
Smoking Status
16%
Variance
16%
Psychology
Hazard Ratio
100%
Meta-Analysis
100%
Publication Bias
33%
Study Design
16%
High-Risk Population
16%
Random Effects Model
16%
Pharmacology, Toxicology and Pharmaceutical Science
All Cause Mortality
100%
Chronic Bronchitis
100%
Random Effects Model
8%
Biochemistry, Genetics and Molecular Biology
All Cause Mortality
100%
Smoking
60%
High Risk Population
20%
Medline
20%