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. 2021 Aug 6;23(8):1016. doi: 10.3390/e23081016

Figure A5.

Figure A5

Averaged bispectrum magnitude in the BW2 frequency region (0.028–0.074 Hz) for the four severity groups in the training set. (a) No-OSA; (b) mild OSA; (c) moderate OSA; (d) severe OSA.