Table 2.
Logistic regression model for peripapillary atrophy
| Variables | B | SE | Exp (B) | 95% CI for Exp (B) | P value |
|---|---|---|---|---|---|
| Peripapillary atrophy | |||||
| Constant | − 2.259 | 0.588 | 0.104 | - | 0.000 |
| Age (per decade, years) | 0.378 | 0.102 | 1.46 | 1.195–1.784 | 0.000 |
| Ln AHI + 1 | - | - | - | - | 0.145 |
| Ln RDI | - | - | - | - | 0.755 |
| Ln AI | - | - | - | - | 0.641 |
| Ln ODI (≥ 3%) + 1 | - | - | - | - | 0.484 |
| Ln SpO2 < 90% + 1 | - | - | - | - | 0.084 |
| AHI severe (≥ 30 events/h) | - | - | - | - | 0.209 |
| AHI very severe (≥ 50 events/h) | 1.008 | 0.377 | 2.741 | 1.310–5.736 | 0.007 |
B unstandardised coefficient, SE standard error, Exp (B) odds ratio, CI confidence interval, Ln natural logarithm, AHI apnea–hypopnea index, RDI respiratory disturbance index, AI arousal index, ODI 3% oxygen desaturation (3%) index, SpO2 < 90% percent of sleep time with oxygen saturation < 90%