From: Influence of nocturnal hypoxemia on follow-up course after type B acute aortic syndrome
Ventilatory parameters | All patients (n = 103) | Medical therapy alone (n = 71) | Aortic stenting (n = 32) | p value |
---|---|---|---|---|
ODIa, number of events per hour, median (IQR) | 13.2 [7.0–25.2] | 12.6 [6.4–24.9] | 14.2 [8.5–27.4] | 0.54 |
ODIa, equal or greater than 15, n (%) | 42 (45.7) | 28 (45.2) | 14 (46.7) | 0.89 |
AHI, number of events per hour, median (IQR) | 18.2 [9.5–38.2] | 18.2 [8.1–36.5] | 18.8 [11.0–43.5] | 0.66 |
AHI, equal or greater than 15, n (%) | 60 (58.3) | 42 (59.2) | 18 (56.3) | 0.78 |
Lowest nocturnal oxygen saturationb, % | 82.3 (6.5) | 82.0 (6.7) | 82.9 (6.1) | 0.56 |
Mean nocturnal oxygen saturationc, % | 92.6 (2.2) | 92.3 (2.2) | 93.2 (1.9) | 0.050 |
Percentage of nocturnal time under a saturation of 90%d, %, median (IQR) | 4.0 [0.5–18.0] | 5.9 [1.0–19.0] | 1.7 [0.1–12.8] | 0.044 |