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. 2021 Jan 6;9(1):53. doi: 10.3390/healthcare9010053

Figure 2.

Figure 2

Study protocol. In total, 235 participants with stable COPD were assessed at baseline and divided into the LoFlo + HiEx, HiFlo + HiEx, LoFlo + LoEx, and HiFlo + LoEx groups. %FEV1.0, percentage of predicted forced expiratory volume in one second; 6MWD, six-minute walking distance.