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. 2020 Apr 24;15:921–929. doi: 10.2147/COPD.S246571

Figure 2.

Figure 2

Significant correlations between the daily step count and parameters of physical fitness and muscle function/mass. (A) Correlation between the 6-minute walk distance and daily step count. (B) Correlation between the 4-meter gait speed and daily step count. (C) Correlation between the 30-seconds chair stand test and daily step count. (D) Correlation between the timed up and go test and daily step count. (E) Correlation between the fat-free mass index and daily step count.