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. 2016 May 23;6:25730. doi: 10.1038/srep25730

Figure 2. Relationship between apnea-hypopnea index (AHI) and measured relative power of snoring sounds (assessed by Pearson Correlation Coefficient).

Figure 2

Increases in AHI were significantly correlated with the increases in the measured relative power of snoring sounds within 150–450 Hz frequency range.