Univariable analysis |
AHI as categorical variable, events/h |
5 to < 15 v. < 5 | 1.30 (0.97–1.76) | 1.37 (1.05–1.80) |
15 to ≤ 30 v. < 5 | 1.84 (1.38–2.46) | 1.39 (1.08–1.79) |
> 30 v. < 5 | 1.89 (1.43–2.50) | 2.02 (1.61–2.54) |
Multivariable analysis† |
Model 1: AHI as continuous variable, events/h |
Per 10 events | 1.02 (0.98–1.06) | 1.01 (0.98–1.04) |
Model 2: AHI as categorical variable, events/h |
5 to < 15 v. < 5 | 0.96 (0.70–1.32) | 0.98 (0.76–1.27) |
15 to ≤ 30 v. < 5 | 1.14 (0.83–1.55) | 0.96 (0.76–1.23) |
> 30 v. < 5 | 0.96 (0.71–1.30) | 1.02 (0.80–1.31) |
Model 3: AHI as categorical variable, events/h | 1.02 (0.80–1.30) | 1.03 (0.83–1.28) |
> 43 v. < 18.7‡ |
Model 4: Sao2 as continuous variable |
Time spent with Sao2 < 90%, min, per 10 min | 1.01 (1.00–1.03)§ | 1.00 (0.99–1.02) |
Model 5: Sao2 as categorical variable |
% of sleep time spent with Sao2 < 90%, > 12% v. < 1.2%‡ | 1.31 (1.00–1.71)¶ | 1.13 (0.89–1.42) |