Table 3.
Correlation matrix between various parameters and integrated R-R intervals (RRIs).
| Parameters | r-Value (p-Value) |
|---|---|
| Age | −0.321 (0.060) |
| BMI | 0.358 (0.052) |
| Snoring rate (%) | 0.111 (0.567) |
| AHI | 0.416 (0.022) * |
| AHI (supine) | 0.392 (0.035) * |
| AI | 0.300 (0.108) |
| HI | 0.097 (0.609) |
| 3% ODI | 0.398 (0.030) * |
| Mean SpO2 | 0.089 (0.641) |
| Minimum SpO2 | −0.200 (0.298) |
| Arousal Index | 0.252 (0.179) |
| PLMS Index | 0.294 (0.122) |
BMI, body mass index; ODI, oxygen desaturation index; AHI, apnea–hypopnea index; AI, apnea index; HI, hypopnea index; and PLMS, periodic leg movements during sleep. * p < 0.05.