Table 2.
Forward Stepwise Regression Analysis
| Variable | AHI | HI/AHI | Flow Limitation | Decrease In SaO2 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| β | SE Of β | βstd | P | β | SE Of β | βstd | P | β | SE Of β | βstd | P | β | SE Of β | βstd | P | |
| Age | – | – | – | – | −1.15 | 0.54 | −0.24 | 0.05 | −0.77 | 0.35 | −0.33 | 0.04 | – | – | – | – |
| BMI | −0.84 | 1.37 | −0.07 | 0.54 | −3.53 | 1.81 | −0.24 | 0.06 | 0.34 | 1.18 | −0.05 | 0.78 | −0.18 | 0.09 | −0.21 | 0.06 |
| AT | 28.52 | 13.20 | 0.34 | 0.04 | −69.91 | 13.12 | −0.67 | <0.001 | −32.87 | 8.57 | −0.66 | <0.001 | −3.77 | 0.79 | −0.61 | <0.001 |
| VE(arousal) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| PETCO2 | −5.45 | −0.55 | 1.29 | <0.001 | – | – | – | – | – | – | – | – | – | – | – | – |
| LG1 | 66.66 | 21.12 | 0.52 | 0.01 | – | – | – | – | – | – | – | – | – | – | – | – |
| LGn | −186.82 | 47.53 | −0.56 | <0.001 | – | – | – | – | – | – | – | – | −6.09 | 2.84 | −0.25 | 0.04 |