Table 4 Correlation (r) of ECG-spectrogram and PSG respiratory indices
From: Distinct polysomnographic and ECG-spectrographic phenotypes embedded within obstructive sleep apnea
CPC metric | RDI | NREM-RDI | REM-RDI | CAI/hour of sleep | Desaturation Index/hour of sleep |
|---|---|---|---|---|---|
LFC index | 0.50 [p: 0.021 | 0.52 [p: 0.024] | 0.20 [p: 0.043] | 0.21 [p: 0.041] | 0.44 (p: 0.001) |
e-LFC index | 0.56 [p: 0.02] | 0.59 [p: 0.001] | 0.22 [p: 0.041] | 0.25 [p: 0.031] | 0.50 [p: 0.001] |
e-LFCNB | 0.39 [p: 0.021] | 0.41 [p: 0.001] | 0.14 [p: 0.071] | 0.19 [p: 0.043] | 0.36 P: [0.013] |
LFC cycle time | −0.01 [p: 0.601] | −0.01 [p: 0.311] | 0.01 [p: 0.212] | −0.01 [p: 0.311] | −0.02 [p: 0.511] |
e-LFC cycle time | 0.09 [p: 0.413] | 0.09 [p: 0.211] | 0.08 [p: 0.412] | 0.02 [p: 0.121] | 0.41 [p: 0.013] |