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. 2021 Oct 15;21:321. doi: 10.1186/s12890-021-01682-5

Table 2.

The sorting results of channels

Classification mode Channel sort
Mild/Moderate + Severe 2,4,1,9,10,5,6,3,7,11,12,8
Moderate/Severe 4,3,12,7,11,10,8,1,6,5,2,9