| Desaturation with sustained pattern N = 20 | Desaturation without sustained pattern N = 108 | P value |
---|---|---|---|
Male/female | 17/3 | 99/9 | 0.399 |
Age, years | 71.5 [65.8–76] | 71 [68–75] | 0.870 |
BMI | 23.4 [21.4–26.2] | 22.6 [20.4–24.3] | 0.288 |
Daytime SpO2, % | 96 [95–97] | 97 [96–98] | 0.016* |
Smoking history, pack-years | 60 [50–81.5] | 50 [40–75] | 0.114 |
%FVC, % | 96.4 [87.5–110.9] | 89.7 [77.4–98.1] | 0.031* |
%FEV1, % | 68.8 [16.3–79.7] | 62.1 [50.3–76.5] | 0.441 |
FEV1/FVC, % | 58.2 [45.2–66.2] | 60.6 [50.5–66.1] | 0.419 |
PM-AHI | 8.4 [4.3–18.2] | 19.2 [12.1–28.7] | 0.003* |
CT90, % | 16.4 [1.9–37.1] | 2.1 [0.35–6.3] | 0.002* |
Lowest SpO2, % | 85 [80–87.5] | 84 [78–87] | 0.935 |
ODI | 7.8 [4.6–11.9] | 4.4 [2.4–8.6] | 0.046* |
Hypoxic burden, (%min)/h | 46.8 [26.3–91.9] | 5.9 [2.4–17.1] |  < 0.0001* |