TABLE 5.
Correlation analysis between AHI and the observed indexes.
| Items | AHI | |
|---|---|---|
| Correlation coefficient (r) | p values | |
| Sleep efficiency (%) | −0.507** | <0.001 |
| minSaO2 (%) | −0.737** | <0.001 |
| meanSaO2 (%) | −0.651** | <0.001 |
| TS < 90% (%) | 0.422** | <0.001 |
| VO2AT(L/min) | −0.002 | 0.979 |
| VO2AT%Pred (%) | −0.351** | <0.001 |
| VO2AT/kg (mL/min/kg) | −0.322** | <0.001 |
| VO2peak (L/min) | −0.002 | 0.985 |
| VO2peak%Pred (%) | −0.349** | <0.001 |
| VO2peak/kg (mL/min/kg) | −0.273** | 0.003 |
| HRmax (beat/min) | −0.434** | <0.001 |
| HRmax%Pred (%) | −0.340** | <0.001 |
| RERmax | −0.110 | 0.243 |
| HRr | −0.200* | 0.033 |
| VO2/HRmax (ml/beat) | 0.247** | 0.008 |
| VO2/HRmax Pred (%) | −0.354** | <0.001 |
| BR (%) | 0.090 | 0.340 |
| WRmax (W) | 0.110 | 0.245 |
| WRmax%Pred (%) | −0.377** | <0.001 |
| VEmax (L/min) | −0.077 | 0.416 |
| VEmax%Pred (%) | −0.359** | <0.001 |
| VE/VCO2 slope | −0.104 | 0.273 |
| FVC(L) | 0.164 | 0.080 |
| FVC%Pred (%) | −0.128 | 0.175 |
| FEV1%Pred (%) | −0.035 | 0.709 |
| FEV1/FVC(%) | −0.130 | 0.169 |
| PEF (L/s) | 0.103 | 0.274 |
| PEF%Pred (%) | 0.010 | 0.915 |
| BMI(kg/m2) | 0.240* | 0.010 |
Note: **p < 0.01,*p < 0.05.