Table 4.
Spearman Correlation Between Oximetry Variables and Nasal Resistance in the Supine Position at Pressures of 75 Pascal in Mild and Moderate to Severe OSA
| AHI | ODI | Minimal SaO2 | T<90% | |||||
|---|---|---|---|---|---|---|---|---|
| rs | P | rs | P | rs | P | rs | P | |
| SupineNR75 | ||||||||
| Mild OSA | 0.121 | 0.694 | 0.064 | 0.842 | −0.438 | 0.155 | 0.074 | 0.820 |
| Moderate to severe OSA | 0.248 | 0.041* | 0.272 | 0.026* | −0.109 | 0.380 | 0.265 | 0.030* |
Note: *P < 0.05.
Abbreviations: rs, Spearman correlation coefficient; AHI, apnea-hypopnea index; ODI, oxygen desaturation index; Minimal SaO2, minimal oxygen saturation; T<90%, the percentage of total time with oxygen saturation level lower than 90%; SupineNR75, nasal resistance in the supine position at 75 pascal.