Table 2.
Correlation matrix between various parameters and the apnea-hypopnea index (AHI).
| Parameters | Actual Data | r-Value (p-Value) |
|---|---|---|
| Age | 63.6 ±11.6 | −0.059 (0.725) |
| BMI | 26.3 ± 4.6 | 0.532 (<0.001) ** |
| Snoring rate (%) | 29.7 ± 20.5 | 0.104 (0.539) |
| 3% ODI | 38.7 ± 26.2 | 0.987 (<0.001) ** |
| Mean SpO2 | 95.7 ± 1.6 | −0.399 (0.013) * |
| Minimum SpO2 | 78.7 ± 13.1 | −0.652 (< 0.001) *** |
| Arousal Index | 41.0 ± 22.2 | 0.800 (<0.001) *** |
| PLMS Index | 9.4 ± 17.7 | 0.269 (0.121) |
BMI, body mass index; ODI, the oxygen desaturation index; and PLMS, periodic leg movements (PLM) during sleep. * p < 0.05, ** p < 0.01, and *** p < 0.001.