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Fig. 2 | BMC Pulmonary Medicine

Fig. 2

From: Stronger correlation of peak oxygen uptake with distance of incremental shuttle walk test than 6-min walk test in patients with COPD: a systematic review and meta-analysis

Fig. 2

Forest plot of meta-analysis. Meta-analysis was performed in A 10 studies assessing the correlation coefficient between peak VO2 and distance of the 6MWT and in B five studies assessing the correlation coefficient between peak VO2 and ISWT distance. 6MWT, 6-min walk test; peak VO2, peak oxygen uptake; ISWT, incremental shuttle walk test

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