Fig 1.
Critical appraisal of studies including the prevalence or incidence of sarcopenia in COPD patients.
Fig 2.
Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) flow diagram for the study selection process.
Table 1.
Characteristics of all included studies.
Fig 3.
Odds ratios for COPD complicated by sarcopenia.
Fig 4.
Forest plot of prevalence of sarcopenia in COPD.
Fig 5.
Forest plot of body mass index.
Fig 6.
Forest plot of smoking.
Fig 7.
Forest plot of mMRC.
Fig 8.
Forest plot of age.
Fig 9.
Funnel plot.